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DiatomBase taxon details

Coscinodiscaceae Kützing, 1844

148916  (urn:lsid:marinespecies.org:taxname:148916)

accepted
Family
Genus Brightwellia J. Ralfs in A. Pritchard, 1861 †
  » Species Brightwellia brightwellioides (Pantocsek) Ichikawa, 1971 represented as Coscinodiscus asteromphalus var. brightwellioides Grunow, 1884
  » Species Brightwellia splendida (Greville) Rattray, 1890 represented as Heterodictyon splendidum Greville, 1863 †
  » Species Brightwellia coronata (uncertain, unassessed)
  » Species Brightwellia elaborata Greville, 1861 (uncertain, unassessed)
  » Species Brightwellia excellens Rattray, 1890 (uncertain, unassessed)
  » Species Brightwellia hillabyana Boyer, 1922 (uncertain, unassessed)
  » Species Brightwellia hyperborea Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Brightwellia imperfecta Jousé in Gleser & Jousé, 1974 (uncertain, unassessed)
  » Species Brightwellia johnsonii Ralfs ex Greville, 1866 (uncertain, unassessed)
  » Species Brightwellia mirabilis Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Brightwellia murrayi Castracane, 1886 (uncertain, unassessed)
  » Species Brightwellia pulchra Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Brightwellia russica Pantocsek, 1889 (uncertain, unassessed)
  » Species Brightwellia spiralis Gleser in Sheshukova-Poretskaya & Gleser, 1964 (uncertain, unassessed)
Genus Cestodiscus R.K. Greville, 1865 †
  » Species Cestodiscus convexus F.S.Castracane degli Antelminelli †
    » Variety Cestodiscus convexus var. convexus Castracane, 1886 (uncertain, unassessed)
    » Variety Cestodiscus convexus var. hispanicus M. Peragallo in Tempère & Peragallo, 1912 (uncertain, unassessed)
  » Species Cestodiscus gemmifer F.S.Castracane degli Antelminelli †
    » Variety Cestodiscus gemmifer var. decrescens Castracane, 1886 (uncertain, unassessed)
    » Variety Cestodiscus gemmifer var. gemmifer Castracane, 1886 (uncertain, unassessed)
  » Species Cestodiscus pulchellus Greville, 1866 †
    » Variety Cestodiscus pulchellus var. novazealandica (E. Grove ex Rattray) J. Fenner ex Strelnikova & Fourtanier in N.I. Strelnikova, E. Fourtanier, J.P. Kociolek & J.A. Barron, 2001 represented as Coscinodiscus superbus var. novazealandica Grove ex Rattray, 1890
    » Variety Cestodiscus pulchellus var. trinitatis (Grunow in Van Heurck) F.W. Mills, 1933 represented as Cestodiscus trinitatis Grunow in Van Heurck, 1883 †
    » Variety Cestodiscus pulchellus var. gemmifer Tempère & Brun, 1889 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. hirtulus Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. maculata Kolbe, 1954 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. moravica Grunow in Pantocsek, 1886 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. pulchellus Greville, 1866 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. stellata Gray in Nelson, 1890 (uncertain, unassessed)
    » Variety Cestodiscus pulchellus var. trinitatis Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Cestodiscus baldjikianus (Grunow) M. Peragallo, 1897 represented as Coscinodiscus baldjikianus Grunow, 1888
  » Species Cestodiscus cinnamomeus (Greville) Grunow in Van Heurck, 1883 † represented as Triceratium cinnamomeum var. cinnamomeum Greville, 1863
    » Variety Cestodiscus cinnamomeus var. minor Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Cestodiscus demergitus (Fenner) Fenner & Mikkelsen, 1990 represented as Coscinodiscus demergitus Fenner, 1978
  » Species Cestodiscus denarius (A.W.F. Schmidt) N.I. Strelnikova & E. Fourtanier in N.I. Strelnikova, E. Fourtanier, J.P. Kociolek & J.A. Barron, 2001 † represented as Coscinodiscus denarius var. denarius Schmidt in Schmidt et al., 1878
  » Species Cestodiscus intersectus (Brun) Reinhold, 1937 †
  » Species Cestodiscus lewisianus (Greville) A.Mann, 1937 † represented as Coscinodiscus lewisianus var. lewisianus Greville, 1866
  » Species Cestodiscus margaritaceus (Castracane) Nikolaev, 1984 † represented as Coscinodiscus margaritaceus Castracane, 1886
  » Species Cestodiscus obscurus (Schmidt in Schmidt et al.) Grunow in Van Heurck, 1883 represented as Coscinodiscus obscurus var. obscurus Schmidt in Schmidt et al., 1878
  » Species Cestodiscus pusillus (Grove manuscript, Rattray) F.W. Mills, 1933 represented as Coscinodiscus pusillus Grove ms. in Rattray, 1890
  » Species Cestodiscus senarius (A.W.F. Schmidt) N.I. Strelnikova & E. Fourtanier in N.I. Strelnikova, E. Fourtanier, J.P. Kociolek & J.A. Barron, 2001 † represented as Coscinodiscus senarius var. senarius Schmidt in Schmidt et al., 1878
  » Species Cestodiscus sol (Wallich) Van Heurck, 1883 represented as Coscinodiscus sol C.G.Wallich, 1860
  » Species Cestodiscus spinifer (E. Grove & G. Sturt) J. Fenner, 1981 † represented as Coscinodiscus elegans var. spinifera Grove & Sturt, 1887
  » Species Cestodiscus annulatus Lohman, 1974 (uncertain, unassessed)
  » Species Cestodiscus antarcticus Fenner, 1984 † (uncertain, unassessed)
  » Species Cestodiscus apiculatus K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus baileyi H.L.Smith, 1878 † (uncertain, unassessed)
  » Species Cestodiscus canalis K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus cedarensis K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus coronatus Castracane, 1886 † (uncertain, unassessed)
  » Species Cestodiscus fasciculatus K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus fennerae N.I. Strelnikova & E. Fourtanier, 2001 † (uncertain, unassessed)
  » Species Cestodiscus fusiformis Barker & Meakin, 1949 † (uncertain, unassessed)
  » Species Cestodiscus hirtulus Grunow in Van Heurck, 1883 † (uncertain, unassessed)
  » Species Cestodiscus hispanicus M. Peragallo in Tempère & Peragallo, 1912 (uncertain, unassessed)
  » Species Cestodiscus interruptus M. Peragallo in Tempère & Peragallo, 1912 (uncertain, unassessed)
  » Species Cestodiscus japonicus Cleve (ex) Thum, 1885 (uncertain, unassessed)
  » Species Cestodiscus johnsonianus Greville, 1865 † (uncertain, unassessed)
  » Species Cestodiscus kugleri Lohman, 1974 (uncertain, unassessed)
  » Species Cestodiscus marylandicus Lohman, 1948 † (uncertain, unassessed)
  » Species Cestodiscus moronensis Greville ex Rattray, 1890 † (uncertain, unassessed)
  » Species Cestodiscus moroniensis Brun, 1891 † (uncertain, unassessed)
  » Species Cestodiscus muhinae Jousé, 1973 † (uncertain, unassessed)
  » Species Cestodiscus ovalis Harwood, 1986 † (uncertain, unassessed)
  » Species Cestodiscus parmula Castracane, 1886 † (uncertain, unassessed)
  » Species Cestodiscus peplum Brun, 1891 † (uncertain, unassessed)
  » Species Cestodiscus praerapax Radionova, 1987 (uncertain, unassessed)
  » Species Cestodiscus proteus Hardman ex Grunow in Van Heurck, 1883 † (uncertain, unassessed)
  » Species Cestodiscus pulchellus Cleve & Möller, 1878 (uncertain, unassessed)
  » Species Cestodiscus pulchellus Chase in Habirshaw et al., 1877 (uncertain, unassessed)
  » Species Cestodiscus quadrus Lohman, 1974 (uncertain, unassessed)
  » Species Cestodiscus radiatus Ehrenberg ex Van Heurck, 1883 (uncertain, unassessed)
  » Species Cestodiscus rapax Castracane, 1886 † (uncertain, unassessed)
  » Species Cestodiscus reticulatus Fenner, 1984 † (uncertain, unassessed)
  » Species Cestodiscus rhombicus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Cestodiscus robustus Jousé, 1973 † (uncertain, unassessed)
  » Species Cestodiscus simplissimus K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus sparsus Lohman, 1974 (uncertain, unassessed)
  » Species Cestodiscus spinosus Hajós, 1968 † (uncertain, unassessed)
  » Species Cestodiscus stellatus K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Cestodiscus stokesianus Greville, 1866 † (uncertain, unassessed)
  » Species Cestodiscus superbus (uncertain, unassessed)
  » Species Cestodiscus trinitatis Grunow in Van Heurck, 1883 † (uncertain, unassessed)
  » Species Cestodiscus trochus Castracane, 1886 † (uncertain, unassessed)
  » Species Cestodiscus umbonatus Radionova, 1987 (uncertain, unassessed)
Genus Coscinodiscopsis E.A.Sar & I.Sunesen, 2008
Genus Coscinodiscus C.G. Ehrenberg, 1839
  » Species Coscinodiscus aeginensis A.W.F.Schmidt
  » Species Coscinodiscus antiquus Grunow
  » Species Coscinodiscus apiculatus Ehrenberg, 1844
    » Variety Coscinodiscus apiculatus var. ambiguus Grunow, 1884
    » Variety Coscinodiscus apiculatus var. aeginensis (Schmidt in Schmidt et al.) Tempère & Peragallo, 1914 represented as Coscinodiscus aeginensis var. aeginensis Schmidt in Schmidt et al., 1888
    » Variety Coscinodiscus apiculatus var. monicae (Grunow) Tempère & Peragallo, 1908, 1910 represented as Coscinodiscus janischii var. monicae Grunow, 1884
    » Variety Coscinodiscus apiculatus var. woodwardii (Eulenstein in A. Schmidt) Rattray, 1890 represented as Coscinodiscus woodwardii Eulenstein, 1878
    » Variety Coscinodiscus apiculatus var. ambigua Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus apiculatus var. apiculatus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus apiculatus var. californica Grunow in Schmidt, 1888 (uncertain, unassessed)
    » Variety Coscinodiscus apiculatus var. genuinus Cleve-Euler, 1951 (uncertain, unassessed)
    » Variety Coscinodiscus apiculatus var. maxima Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus apiculatus var. samoensis Grunow, 1879 (uncertain, unassessed)
  » Species Coscinodiscus atlanticus Castracane
    » Variety Coscinodiscus atlanticus var. atlanticus Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus atlanticus var. striatula Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus atlanticus var. tartaryensis Ichikawa, 1971 (uncertain, unassessed)
  » Species Coscinodiscus belgicae M.Peragallo
    » Variety Coscinodiscus belgicae var. belgicae M. Peragallo, 1921 (uncertain, unassessed)
    » Variety Coscinodiscus belgicae var. occulata M. Peragallo, 1921 (uncertain, unassessed)
  » Species Coscinodiscus biangulatus A.W.F.Schmidt
    » Variety Coscinodiscus biangulatus var. biangulatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus biangulatus var. reducta Forti, 1913 (uncertain, unassessed)
  » Species Coscinodiscus bractea J.-J.Brun
    » Forma Coscinodiscus bractea f. crassipunctata Brun, 1896 (uncertain, unassessed)
    » Forma Coscinodiscus bractea f. minor Brun, 1896 (uncertain, unassessed)
    » Variety Coscinodiscus bractea var. bractea Brun, 1896 (uncertain, unassessed)
    » Variety Coscinodiscus bractea var. crassipunctata Brun, 1896 (uncertain, unassessed)
  » Species Coscinodiscus clivosus Pantocsek
    » Variety Coscinodiscus clivosus var. clivosus Pantocsek, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus clivosus var. latefasciata Grunow in Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus concinnus W.Smith, 1856
    » Variety Coscinodiscus concinnus var. jonesiana (Greville) Rattray, 1890 represented as Eupodiscus jonesianus Greville, 1862
    » Variety Coscinodiscus concinnus var. moseleyi (O'Meara) Rattray, 1890 represented as Coscinodiscus moseleyi O'Meara, 1875
    » Variety Coscinodiscus concinnus var. nobilis (Grunow) Cleve-Euler, 1951 represented as Coscinodiscus nobilis var. nobilis Grunow, 1879
    » Variety Coscinodiscus concinnus var. arafurensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. concinnus W. Smith, 1856 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. kerguelensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. tenellus Proshkina-Lavrenko, 1963 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. tenuis Proschkina-Lavrenko, 1963 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. triangularis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus concinnus var. typicus Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus convexus A.W.F.Schmidt
    » Variety Coscinodiscus convexus var. bengalensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus convexus var. convexus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus convexus var. diminuta Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus crassus Bailey
    » Variety Coscinodiscus crassus var. algida Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus crassus var. crassus J.W. Bailey, 1856 (uncertain, unassessed)
    » Variety Coscinodiscus crassus var. gelida Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus crassus var. morsiana Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus crassus var. placenta Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus cristatus J.Rattray
    » Variety Coscinodiscus cristatus var. cristatus Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus cristatus var. distans Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus curvatulus Grunow ex A.Schmidt, 1878
    » Variety Coscinodiscus curvatulus var. minor (Ehrenberg) Grunow, 1884 represented as Coscinodiscus minor Ehrenberg, 1840
    » Variety Coscinodiscus curvatulus var. normanni (Gregory manuscript in Greville) Cleve, 1883 represented as Coscinodiscus normanii Gregory ex Greville, 1859
    » Variety Coscinodiscus curvatulus var. odontodiscus (Grunow) Hustedt, 1928 represented as Coscinodiscus odontodiscus var. odontodiscus Grunow, 1884
    » Forma Coscinodiscus curvatulus f. minor Leuduger-Fortmorel, 1898 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. arcuata Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. barbadensis Cleve manuscript, Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. curvatulus Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. densius-striata A.W.F. Schmidt (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. divisus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. frigida Grunow in Cleve, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. gemina Grunow (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. genuina Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. inermis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. japonica Skvortzow, 1932 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. kariana Grunow (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. latiusstriata Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. macropunctata Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. minutula Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. nodulifer Hajós, 1982 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. recta Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. subocellata Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus curvatulus var. subulata Grunow in Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
  » Species Coscinodiscus curvulatus
  » Species Coscinodiscus denarius A.Schmidt
  » Species Coscinodiscus diophthalmus F.S.Castracane degli Antelminelli
    » Variety Coscinodiscus diophthalmus var. diophthalmus Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus diophthalmus var. monophthalma Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus diorama A.W.F.Schmidt
    » Variety Coscinodiscus diorama var. diorama Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus diorama var. hartingii Brockmann, 1928 (uncertain, unassessed)
  » Species Coscinodiscus dispar M.Peragallo & Héribaud-Joseph
  » Species Coscinodiscus diversus Grunow
    » Variety Coscinodiscus diversus var. completa Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus diversus var. diversus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus dubiosus Grunow
  » Species Coscinodiscus entoleion Grunow
  » Species Coscinodiscus entoleyon
    » Variety Coscinodiscus entoleyon var. decorata Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus evadens J.Rattray
    » Variety Coscinodiscus evadens var. evadens Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus evadens var. parvula Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus excavatus Greville ex Ralfs, 1861
    » Variety Coscinodiscus excavatus var. monophthalma (Castracane) Tempère & Peragallo, 1889-1895 represented as Coscinodiscus diophthalmus var. monophthalma Castracane, 1886
    » Variety Coscinodiscus excavatus var. sellatus (Jousé) Fenner, 1984 represented as Coscinodiscus sellatus Jousé, 1973
    » Variety Coscinodiscus excavatus var. biocellata Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. deliquescens Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. excavatus Greville manuscript, Ralfs in Pritchard, 1861 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. genuina Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. grevilli Christian, 1887 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. quadriocellata Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. semilunaris Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. tuberosa Fenner, 1978 (uncertain, unassessed)
    » Variety Coscinodiscus excavatus var. venusta Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus exiguus J.Rattray
    » Variety Coscinodiscus exiguus var. aequalis Rattray, 1890 (1889) (uncertain, unassessed)
    » Variety Coscinodiscus exiguus var. exiguus Rattray, 1890 (1889) (uncertain, unassessed)
  » Species Coscinodiscus fimbriatus Ehrenberg, 1844
    » Variety Coscinodiscus fimbriatus var. californica Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus fimbriatus var. fimbriatus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus fimbriatus var. subradiata Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus flexuosus J.Brun
    » Variety Coscinodiscus flexuosus var. flexuosus Brun, 1895 (uncertain, unassessed)
    » Variety Coscinodiscus flexuosus var. hispanicus Tempère & Peragallo, 1895 (uncertain, unassessed)
  » Species Coscinodiscus gemmifer Ehrenberg
    » Variety Coscinodiscus gemmifer var. campechiana J.Rattray (uncertain, unassessed)
    » Variety Coscinodiscus gemmifer var. gemmifer Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus gemmifer var. javanicus Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
  » Species Coscinodiscus gigas Ehrenberg, 1841
    » Variety Coscinodiscus gigas var. arafurensis (O'Meara) Tempère & Peragallo, 1889-1895 represented as Coscinodiscus arafuraensis O'Meara, 1877
    » Variety Coscinodiscus gigas var. diorama (Schmidt in Schmidt et al.) Grunow, 1884 represented as Coscinodiscus diorama var. diorama Schmidt in Schmidt et al., 1878
    » Variety Coscinodiscus gigas var. diorama (Schmidt in Schmidt et al.) Rattray, 1890 represented as Coscinodiscus diorama var. diorama Schmidt in Schmidt et al., 1878
    » Variety Coscinodiscus gigas var. guineensis (Grunow) Rattray, 1890 represented as Coscinodiscus guineensis Grunow, 1884
    » Variety Coscinodiscus gigas var. janischii (Schmidt in Schmidt et al.) Frenguelli, 1928 represented as Coscinodiscus janischii var. janischii Schmidt in Schmidt et al., 1878
    » Variety Coscinodiscus gigas var. californica J.Rattray (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. duplicata Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. gigas Ehrenberg, 1843 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. laxa Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. montereyi Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. praetexta (Janisch) Hustedt, 1930 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. punctiformis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus gigas var. stellifera Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Coscinodiscus gorbunovii
  » Species Coscinodiscus grandineus J.Rattray
    » Variety Coscinodiscus grandineus var. dentata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus grandineus var. grandineus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus granii Gough, 1905
  » Species Coscinodiscus griseus Greville
    » Variety Coscinodiscus griseus var. apiculata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus griseus var. gallopagensis Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus griseus var. georgicus Reinsch, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus griseus var. griseus Greville, 1863 (uncertain, unassessed)
    » Variety Coscinodiscus griseus var. minor Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus grunowii Pantocsek
  » Species Coscinodiscus hartingii
  » Species Coscinodiscus hexagonalis G.H.H.Karsten
    » Variety Coscinodiscus hexagonalis var. hexagonalis Karsten, 1905 (uncertain, unassessed)
    » Variety Coscinodiscus hexagonalis var. minor Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus hungaricus Pantocsek
  » Species Coscinodiscus implicatus J.Rattray
    » Variety Coscinodiscus implicatus var. implicatus Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus implicatus var. picturata Rattray, 1890 (1889) (uncertain, unassessed)
  » Species Coscinodiscus intumescens Pantocsek
    » Variety Coscinodiscus intumescens var. interrupta Pantocsek, 1889 (uncertain, unassessed)
    » Variety Coscinodiscus intumescens var. intumescens Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus janischii A.Schmidt, 1878
    » Variety Coscinodiscus janischii var. arafurensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus janischii var. janischii Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus janischii var. monicae Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus kuetzingii A.Schmidt, 1878
    » Forma Coscinodiscus kuetzingii f. subsalsa Brockmann, 1954 (uncertain, unassessed)
    » Variety Coscinodiscus kuetzingii var. glacialis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus kuetzingii var. kuetzingii Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus marginato-lineatus A.W.F.Schmidt
  » Species Coscinodiscus moronensis J.Rattray
    » Forma Coscinodiscus moronensis f. major Forti, 1910 (uncertain, unassessed)
    » Forma Coscinodiscus moronensis f. moronensis Greville ms in Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus moronensis var. latilimba Forti, 1913 (uncertain, unassessed)
  » Species Coscinodiscus nitidulus Grunow
    » Variety Coscinodiscus nitidulus var. nitidulus Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus nitidulus var. radiata Mereschkowsky, 1901 (uncertain, unassessed)
    » Variety Coscinodiscus nitidulus var. scintillans M. Peragallo in Peragallo & Peragallo, 1911 (uncertain, unassessed)
    » Variety Coscinodiscus nitidulus var. subradians Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus nitidus W.Gregory, 1857
    » Forma Coscinodiscus nitidus f. nitidus Gregory, 1857 (uncertain, unassessed)
    » Forma Coscinodiscus nitidus f. sudermannia A. Berg, 1952 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. minor Cleve & Möller, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. minor Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. moronensis Grunow manuscript in Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. radiata Mereschkowsky, 1901 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. sparsa Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. subradiata Mereschkowsky, 1902 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. tenuis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus nitidus var. zagrebiensis Jurilj, 1957 (uncertain, unassessed)
  » Species Coscinodiscus oblongus Greville
    » Forma Coscinodiscus oblongus f. oblongus Greville, 1866 (uncertain, unassessed)
    » Forma Coscinodiscus oblongus f. typica Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus obovatus Castracane
    » Variety Coscinodiscus obovatus var. circularis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus obovatus var. obovatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus obscurus A.Schmidt, 1878
    » Variety Coscinodiscus obscurus var. floralis Brun, 1891 (uncertain, unassessed)
    » Variety Coscinodiscus obscurus var. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus obscurus var. minor Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus obscurus var. obscurus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus obscurus var. schmidtii Cleve-Euler, 1942 (uncertain, unassessed)
  » Species Coscinodiscus obversus J.Rattray
    » Variety Coscinodiscus obversus var. obversus Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus obversus var. tenuior Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus oculus Ehrenberg, 1840
  » Species Coscinodiscus odontodiscus Grunow
    » Forma Coscinodiscus odontodiscus f. parva Cleve & Möller, 1879 (uncertain, unassessed)
    » Forma Coscinodiscus odontodiscus f. parvatenuistriata Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. balticus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. genuinus Cleve-Euler, 1951 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. incerta Cleve-Euler, 1941 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. odontodiscus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. parvatenuistriata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus odontodiscus var. subsubtilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus omphalanthus Ehrenberg
    » Variety Coscinodiscus omphalanthus var. minor M. Peragallo, 1921 (uncertain, unassessed)
    » Variety Coscinodiscus omphalanthus var. omphalanthus Ehrenberg, 1844 (1845) (uncertain, unassessed)
  » Species Coscinodiscus opposites
  » Species Coscinodiscus pacificus (Grunow) J.Rattray
  » Species Coscinodiscus partitus E.Grove & G.Sturt
  » Species Coscinodiscus parvulus G.H.H.Karsten
    » Variety Coscinodiscus parvulus var. nebulosa Grove Collection according to Mills (uncertain, unassessed)
    » Variety Coscinodiscus parvulus var. parvulus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus payeri Grunow
    » Variety Coscinodiscus payeri var. continuus Strelnikova, 1962 (uncertain, unassessed)
    » Variety Coscinodiscus payeri var. impressus Strelnikova, 1962 (uncertain, unassessed)
    » Variety Coscinodiscus payeri var. payeri Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus payeri var. subrepleta Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus payeri var. typicus Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus perforatus Ehrenberg, 1844
    » Variety Coscinodiscus perforatus var. cellulosus Grunow
    » Variety Coscinodiscus perforatus var. pavillardii (Forti) Hust., 1928
    » Variety Coscinodiscus perforatus var. ambigua (Grunow) M. Peragallo, 1897 represented as Coscinodiscus apiculatus var. ambigua Grunow, 1884
    » Variety Coscinodiscus perforatus var. pavillardi (Forti) Hustedt, 1928 represented as Coscinodiscus pavillardii Forti, 1922
    » Forma Coscinodiscus perforatus f. minor Ehrenberg (uncertain, unassessed)
    » Forma Coscinodiscus perforatus f. perforatus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus perforatus var. cellulosa Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus perforatus var. delicatula Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus perforatus var. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus perforatus var. maizuruensis Okuno, 1949 (uncertain, unassessed)
  » Species Coscinodiscus perikompsos J.Rattray
    » Variety Coscinodiscus perikompsos var. curta Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus perikompsos var. perikompsos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus plicatus Grunow
  » Species Coscinodiscus punctatus Ehrenberg
  » Species Coscinodiscus pygmaeus J.-J.Brun & M.Peragallo
  » Species Coscinodiscus robustus Greville, 1866
    » Variety Coscinodiscus robustus var. incretus (Schmidt) Wornardt, 1967 represented as Coscinodiscus incretus Schmidt in Schmidt et al., 1888
    » Forma Coscinodiscus robustus f. minor Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
    » Forma Coscinodiscus robustus f. robustus Greville, 1866 (uncertain, unassessed)
    » Variety Coscinodiscus robustus var. amoena Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
    » Variety Coscinodiscus robustus var. fragilis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus robustus var. intermedia Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus robustus var. kittoniana Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus robustus var. latemarginata Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus rothii (Ehrenberg) Grunow
    » Variety Coscinodiscus rothii var. sibirica Skvortzov, 2012
    » Variety Coscinodiscus rothii var. subsalsum (Juhlin-Dannfelt) Hustedt, 1928
    » Forma Coscinodiscus rothii f. rothii (Ehrenberg) Grunow, 1878 represented as Heterostephania rothii var. rothii Ehrenberg, 1854
    » Variety Coscinodiscus rothii var. actinocycloides (Pantocsek) Rattray, 1890 represented as Coscinodiscus actinocycloides Pantocsek, 1886
    » Variety Coscinodiscus rothii var. minor (Grunow) Cleve-Euler, 1942 represented as Coscinodiscus rothii f. minor Grunow in Van Heurck
    » Variety Coscinodiscus rothii var. normani (Gregory ex Greville) Van Heurck, 1928 represented as Coscinodiscus normanii Gregory ex Greville, 1859
    » Variety Coscinodiscus rothii var. subsalsa (Juhlin-Dannfelt) Hustedt, 1928 represented as Coscinodiscus subsalsus Juhlin-Dannfelt, 1882
    » Forma Coscinodiscus rothii f. minor Grunow in Van Heurck (uncertain, unassessed)
    » Forma Coscinodiscus rothii f. spinulisdensioribus Tempère & Peragallo, 1914 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. beta (uncertain, unassessed)
      » Subvariety Coscinodiscus rothii var. beta minor Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. grandiuscula Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. minor Grunow in Van Heurck (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. planus Sheshukova-Poretskaya, 1967 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. singaporensis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus rothii var. stelliger Frenguelli & Orlando, 1958 (uncertain, unassessed)
  » Species Coscinodiscus senarius A.Schmidt
    » Variety Coscinodiscus senarius var. parvula Schmidt, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus senarius var. senarius Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus sphaeroidalis J.Rattray
    » Variety Coscinodiscus sphaeroidalis var. cincta Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus sphaeroidalis var. sphaeroidalis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus stokesianus subtypicus Grunow
  » Species Coscinodiscus subconcavus Grunow, 1878
    » Forma Coscinodiscus subconcavus f. major Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Forma Coscinodiscus subconcavus f. subconcavus Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus subconcavus var. japonica Skvortzow, 1932 (uncertain, unassessed)
    » Variety Coscinodiscus subconcavus var. tenuior Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus subglobosus Cleve & Grunow
    » Variety Coscinodiscus subglobosus var. antarcticus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus subglobosus var. subglobosus Cleve & Grunow in Cleve, 1883 (uncertain, unassessed)
  » Species Coscinodiscus subnotabilis J.Rattray
    » Variety Coscinodiscus subnotabilis var. marina Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus subnotabilis var. subnotabilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus superbus Hardman
  » Species Coscinodiscus symmetricus Greville, 1861
    » Variety Coscinodiscus symmetricus var. apiculata Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
    » Variety Coscinodiscus symmetricus var. denarius Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus symmetricus var. symmetricus Greville, 1861 (uncertain, unassessed)
    » Variety Coscinodiscus symmetricus var. tenuis Karsten, 1905 (uncertain, unassessed)
    » Variety Coscinodiscus symmetricus var. tenuistriata A Schmidt in Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
  » Species Coscinodiscus traducens J.Rattray
    » Variety Coscinodiscus traducens var. hispida Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus traducens var. traducens Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus tuberculatus A.W.F.Schmidt
    » Variety Coscinodiscus tuberculatus var. atlantica A.P.Jousé (uncertain, unassessed)
    » Variety Coscinodiscus tuberculatus var. minor Weissflog Colection (uncertain, unassessed)
    » Variety Coscinodiscus tuberculatus var. monicae Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus tuberculatus var. tuberculatus Greville, 1861 (uncertain, unassessed)
  » Species Coscinodiscus undulosus A.Mann
    » Variety Coscinodiscus undulosus var. antarctica E. Manguin, 1960 (uncertain, unassessed)
    » Variety Coscinodiscus undulosus var. undulosus Mann, 1907 (uncertain, unassessed)
  » Species Coscinodiscus varians G.H.H.Karsten
    » Variety Coscinodiscus varians var. major Karsten, 1905 (uncertain, unassessed)
    » Variety Coscinodiscus varians var. varians Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus abyssalis (Castracane) Tempère & Peragallo, 1889-1895 represented as Coscinodiscus radiatus var. abyssalis Castracane, 1886
  » Species Coscinodiscus apollinis Ehrenberg represented as Charcotiella apollinis (Ehr.) S.Blanco & C.E.Wetzel, 2016
    » Variety Coscinodiscus apollinis var. apollinis Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus apollinis var. compacta Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus arentii (Kolbe) Cleve-Euler, 1951 represented as Cyclotella arentii Kolbe, 1948
  » Species Coscinodiscus australis Karsten, 1905 represented as Charcotiella australis (G.Karst) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus baileyi (H.L.Smith) J.Rattray, 1890 represented as Cestodiscus baileyi H.L.Smith, 1878 †
  » Species Coscinodiscus balticus (Grunow) Grunow ex Cleve, 1891 represented as Coscinodiscus polyacanthus var. baltica Grunow in Cleve & Grunow, 1880
  » Species Coscinodiscus beaufortianus (Hustedt) VanLandingham, 1979 represented as Cosmiodiscus beaufortianus Hustedt, 1955 †
  » Species Coscinodiscus bifrons Castracane, 1886 represented as Charcotiella bifrons (Castrac.) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus brightwellioides (Grunow) Pantocsek, 1886 represented as Coscinodiscus asteromphalus var. brightwellioides Grunow, 1884
  » Species Coscinodiscus castracanei Karsten, 1905 represented as Charcotiella castracanei (G.Karst.) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus cervinus (Brightwell) Ralfs in Pritchard, 1861 represented as Hyalodiscus cervinus Brightw., 1860 †
  » Species Coscinodiscus chromoradiatus Karsten, 1905 represented as Charcotiella chromoradiata (G.Karst.) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus condensatus (Cleve) Cleve-Euler, 1951 represented as Thalassiosira condensata Cleve, 1900
  » Species Coscinodiscus convexus (Castracane) M. Peragallo, 1897 represented as Ethmodiscus convexus Castracane, 1886
  » Species Coscinodiscus cruciatus (Ehrenberg) Kützing, 1844 represented as Pyxidicula cruciata Ehrenberg, 1838
  » Species Coscinodiscus cryophilus (Grunow) De Toni, 1894 represented as Coscinodiscus kryophilus Grunow, 1884
  » Species Coscinodiscus decoratus (A. Cleve) A. Cleve, 1951 represented as Thalassiosira decorata Cleve-Euler, 1941
  » Species Coscinodiscus decrescens Grunow, 1878 represented as Charcotiella grunowii S.Blanco & C.E.Wetzel, 2016
    » Forma Coscinodiscus decrescens f. genuinus Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Coscinodiscus decrescens f. minor Woodhead & Tweed, 1960 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. decrescens Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. irregularis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. minor Skabichevskii, 1976 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. polaris Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. repleta Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. robustior Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. valida Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus decrescens var. venusta Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus discrepans (Rattray) M. Peragallo, 1897 represented as Coscinodiscus leptopus var. discrepans Rattray, 1890
  » Species Coscinodiscus dissonus Schulz, 1935 represented as Eupyxidicula dissona (P.F.F.Schulz) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus eutychus (Ehrenberg) Azpeitia, 1911 represented as Peristephania eutycha Ehrenberg, 1854
  » Species Coscinodiscus fallax (Meunier) Cleve-Euler, 1951 represented as Thalassiosira fallax Meunier, 1910
  » Species Coscinodiscus fluviatilis (F.Hustedt) Cleve-Euler, 1951 represented as Thalassiosira fluviatilis f. fluviatilis Hustedt, 1926
  » Species Coscinodiscus frigidus (Cleve-Euler) Cleve-Euler, 1951 represented as Thalassiosira frigida Cleve-Euler, 1942
  » Species Coscinodiscus galapagensis (Grunow in Van Heurck) Rattray, 1890 represented as Coscinodiscus griseus var. gallopagensis Grunow in Van Heurck, 1883
  » Species Coscinodiscus graecus Kützing represented as Discoplea graeca Ehrenberg, 1840
  » Species Coscinodiscus gravidus (Cleve) Cleve-Euler, 1951 represented as Thalassiosira gravida f. gravida Cleve, 1896
  » Species Coscinodiscus hexas (Ehrenberg) F.W. Mills, 1933 represented as Symbolophora hexas Ehrenberg, 1844
  » Species Coscinodiscus hirtulus (Grunow in Van Heurck) Rattray, 1890 represented as Cestodiscus hirtulus Grunow in Van Heurck, 1883 †
  » Species Coscinodiscus hybrida (Grunow) Thum, 1885 represented as Coscinodiscus asteromphalus var. hybrida Grunow, 1884
  » Species Coscinodiscus hyperboreus Grunow represented as Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890
  » Species Coscinodiscus intermedia (Grunow) Fricke, 1902 represented as Coscinodiscus robustus var. intermedia Grunow, 1884
  » Species Coscinodiscus janus Castracane, 1886 represented as Charcotiella janus (Castrac.) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus johnsonianus (Greville) Rattray, 1890 represented as Cestodiscus johnsonianus Greville, 1865 †
  » Species Coscinodiscus levanderi (Van Goor) Cleve-Euler, 1951 represented as Thalassiosira levanderi van Goor, 1924
  » Species Coscinodiscus microtrias (Ehrenberg) Mills, 1933 represented as Symbolophora microtrias Ehrenberg, 1844
  » Species Coscinodiscus minimus (H. Peragallo in Tempère & Peragallo) G. Frenguelli, 1929 represented as Coscinodiscus excentricus f. minima H. Peragallo in Tempère & Peragallo, 1908
  » Species Coscinodiscus moelleri A.Schmidt represented as Eupyxidicula moelleri (A.W.F.Schmidt) S.Blanco & C.E.Wetzel, 2016
    » Variety Coscinodiscus moelleri var. macroporus Grunow represented as Coscinodiscus macroporus Grunow, 1884
    » Variety Coscinodiscus moelleri var. excentricus Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus moelleri var. minutula Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus moelleri var. moelleri Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus monicae (Grunow) Rattray, 1890 represented as Coscinodiscus janischii var. monicae Grunow, 1884
  » Species Coscinodiscus morsianus (Grunow) Sims, 1989 represented as Coscinodiscus oculusiridis var. morsiana Grunow, 1884
  » Species Coscinodiscus naviculoides Truan y Luard & Witt, 1888
  » Species Coscinodiscus nordenskioeldii (P.T. Cleve) Cleve-Euler, 1951 represented as Thalassiosira nordenskioeldii f. nordenskioeldii Cleve, 1873
  » Species Coscinodiscus normannicus Gregory ex Greville Gregory in Van Heurck, 1883 represented as Coscinodiscus normanii Gregory ex Greville, 1859
  » Species Coscinodiscus novozealandicus (Grove ex Rattray) Hanna, 1932 represented as Coscinodiscus superbus var. novazealandica Grove ex Rattray, 1890
  » Species Coscinodiscus oceanicus (Ehrenberg) Kützing, 1849 represented as Endictya oceanica Ehrenberg, 1845
  » Species Coscinodiscus odontophorus Grunow, 1884 represented as Coscinodiscus subtilis var. odontophorus Grunow, 1884
  » Species Coscinodiscus ornatus (Rattray) Mills, 1933 represented as Actinocyclus ornatus Rattray, 1890
  » Species Coscinodiscus ovalis (Greville) Rattray, 1890 represented as Cestodiscus ovalis var. ovalis Greville, 1865
  » Species Coscinodiscus paleaceus (Grunow in Van Heurck) Rattray, 1890 represented as Stoschia paleacea Grunow in Van Heurck, 1883 †
  » Species Coscinodiscus pantocsekii (Grunow in Pantocsek) Schütt, 1896 represented as Anisodiscus pantocsekii f. pantocsekii Grunow in Pantocsek, 1886
  » Species Coscinodiscus pentas (Ehrenberg) A.Mann, 1907 represented as Symbolophora pentas Ehrenberg, 1844
  » Species Coscinodiscus polychordus Gran, 1897
  » Species Coscinodiscus proteus (Grunow) Rattray represented as Cestodiscus proteus Hardman ex Grunow in Van Heurck, 1883 †
  » Species Coscinodiscus pulchellus Greville represented as Cestodiscus pulchellus var. pulchellus Greville, 1866
  » Species Coscinodiscus punctiger (Castracane) H.Peragallo, 1889 represented as Ethmodiscus punctiger Castracane, 1886
  » Species Coscinodiscus quindenarius Ehrenberg, 1854 represented as Actinocyclus quindenarius Ehrenberg, 1840
  » Species Coscinodiscus rhombicus (Grunow in Van Heurck) Rattray, 1890 represented as Cestodiscus rhombicus Grunow in Van Heurck, 1883
  » Species Coscinodiscus rotulus (A.F.Meunier) Cleve-Euler, 1951 represented as Thalassiosira rotula Meunier, 1910
  » Species Coscinodiscus sibericus (Grunow in Cleve & Grunow) Hollerbakh & Krasavina, 1971 represented as Coscinodiscus subtilis var. sibericus Grunow in Cleve & Grunow, 1880
  » Species Coscinodiscus spiniferus (Grove & Sturt) Grove & Sturt ex Grunow, 1888 represented as Coscinodiscus elegans var. spinifera Grove & Sturt, 1887
  » Species Coscinodiscus spinuligerus (Grunow) Rattray, 1890 represented as Coscinodiscus asteromphalus var. spinuligera Grunow, 1884
  » Species Coscinodiscus strigillatus Witt in Schmidt et al., 1888 represented as Haynaldiopsis strigillata (O.N.Witt) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Coscinodiscus sublineatus (Grunow) Rattray, 1890 represented as Coscinodiscus excentricus var. sublineatus Grunow, 1884
  » Species Coscinodiscus submarginatus (Grunow) Boseker, 1889 represented as Coscinodiscus marginatus var. submarginatus Grunow, 1884
  » Species Coscinodiscus tenuis (Grunow in Van Heurck) Rattray, 1890 represented as Cosmiodiscus tenuis Grunow in Van Heurck, 1883
  » Species Coscinodiscus trinitatis (Grunow in Van Heurck) Rattray, 1890 represented as Cestodiscus trinitatis Grunow in Van Heurck, 1883 †
  » Species Coscinodiscus undatus (Cleve) Grunow in Pantocsek, 1886 represented as Actinocyclus alienus var. undatus Cleve, 1885
  » Species Coscinodiscus africanus Janisch ex A.Schmidt accepted as Azpeitia africana (Janisch ex Schmidt) G. Fryxell & T. P. Watkins in Fryxell, Sims & Watkins, 1986
    » Variety Coscinodiscus africanus var. africanus Janisch in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus africanus var. nodulifer Reinhold, 1937 (uncertain, unassessed)
    » Variety Coscinodiscus africanus var. rotunda Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus africanus var. wallichianus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus africanus var. wallichianus Grunow in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus angstii Gran, 1931 accepted as Thalassiosira punctigera (Castracane) Hasle, 1983
    » Variety Coscinodiscus angstii var. angstii Gran in Gran & Angst, 1931 (uncertain, unassessed)
    » Variety Coscinodiscus angstii var. granulomarginatus Gran in Gran & Angst, 1931 (uncertain, unassessed)
  » Species Coscinodiscus anguste-lineatus A.Schmidt, 1878 accepted as Thalassiosira anguste-lineata (A.Schmidt) G.Fryxell & Hasle, 1977 (basionym)
  » Species Coscinodiscus bioculatus Grunow, 1884 accepted as Thalassiosira bioculata (Grunow) Ostenfeld, 1903
    » Forma Coscinodiscus bioculatus f. tenuistriata Cleve & Möller, 1882 (uncertain, unassessed)
    » Variety Coscinodiscus bioculatus var. bioculatus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus bioculatus var. exigua Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus cocconeiformis A.Schmidt accepted as (synonym)
    » Variety Coscinodiscus cocconeiformis var. brevior Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus cocconeiformis var. cocconeiformis Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus cocconeiformis var. latior Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus cocconeiformis var. tenuior Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus crenulatus Grunow accepted as Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986
    » Variety Coscinodiscus crenulatus var. crenulalus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus crenulatus var. nodulifer Lohman, 1941 (uncertain, unassessed)
  » Species Coscinodiscus excentricus Ehrenberg, 1840 accepted as Thalassiosira eccentrica (Ehrenberg) Cleve, 1904 (synonym)
    » Variety Coscinodiscus excentricus var. lineatus (Ehrenberg) Cleve, 1873 represented as Coscinodiscus lineatus f. lineatus Ehrenberg, 1839
    » Forma Coscinodiscus excentricus f. scintillans Cleve-Euler, 1951 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. marginalis Schumann, 1867 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. micropora Grunow in Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. micropunctatus Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. perpusilla Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. punctifera Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. sublineatus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. zebuensis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus granulosus Grunow accepted as Ehrenbergiulva granulosa (Grunow in Cleve & Grunow) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004 (synonym)
    » Forma Coscinodiscus granulosus f. seychellensis Giffen, 1980 (uncertain, unassessed)
    » Variety Coscinodiscus granulosus var. conspicua Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus granulosus var. distincta Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus granulosus var. granulosus Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
  » Species Coscinodiscus hauckii Grunow, 1882 accepted as Ehrenbergiulva hauckii (Grunow in Van Heurck) Witkowski, Lange-Bertalot & Metzeltin in Witkowski & Lange-Bertalot, 2004 (synonym)
  » Species Coscinodiscus jonesianus (Greville) Ostenfeld, 1915 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008
    » Variety Coscinodiscus jonesianus var. commutata (Grunow) Hustedt, 1928 represented as Eupodiscus commutatus Grunow, 1884
    » Variety Coscinodiscus jonesianus var. jonesianus (Greville) Ostenfeld, 1915 represented as Eupodiscus jonesianus Greville, 1862
    » Variety Coscinodiscus jonesianus var. moseleyi (O'Meara) De Toni & Forti, 1916 represented as Coscinodiscus moseleyi O'Meara, 1875
    » Variety Coscinodiscus jonesianus var. commutatus (Grunow) Hustedt, 1928 accepted as Coscinodiscopsis commutata (Grunow) E.A.Sar & I.Sunesen, 2008
    » Variety Coscinodiscus jonesianus var. jonesianus (Grun.) Hust., 1928 accepted as Coscinodiscopsis jonesiana (Greville) E.A.Sar & I.Sunesen, 2008
    » Variety Coscinodiscus jonesianus var. aculeata Meister, 1932 (uncertain, unassessed)
    » Variety Coscinodiscus jonesianus var. tenuis Meister, 1932 (uncertain, unassessed)
  » Species Coscinodiscus kützingii A.Schmidt, 1878 accepted as Actinocyclus kützingii (A.Schmidt) Simonsen (synonym)
  » Species Coscinodiscus lentiginosus Janisch, 1874 accepted as Thalassiosira lentiginosa (Janisch) Fryxell, 1977
  » Species Coscinodiscus leptopus Grunow, 1883 accepted as Thalassiosira leptopus (Grunow ex Van Heurck) Hasle & G.Fryxell, 1977 (basionym)
    » Variety Coscinodiscus leptopus var. discrepans Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus leptopus var. excentrica Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Variety Coscinodiscus leptopus var. irregularis Tempère & Peragallo, 1907 (uncertain, unassessed)
    » Variety Coscinodiscus leptopus var. leptopus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus lewisianus Greville, 1866 † accepted as Araniscus lewisianus (Greville) Komura, 1998 † (synonym)
    » Variety Coscinodiscus lewisianus var. levis (Jousé) Harwood & Maruyama, 1992 represented as Actinocyclus levis Jousé, 1973
    » Forma Coscinodiscus lewisianus f. concavus Gombos, 1983 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. hillabyanus Boyer, 1922 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. lewisianus Greville, 1866 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. minor Tempère in Forti, 1913 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. moronensis Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. rhomboides Barron, 1985 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. robustus Barron, 1983 (uncertain, unassessed)
    » Variety Coscinodiscus lewisianus var. similis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus neocrenulatus S.L.VanLandingham, 1968 accepted as Azpeitia neocrenulata (VanLandingham) G. Fryxell & T.P. Watkins in Fryxell, Sims & Watkins, 1986
  » Species Coscinodiscus oculusiridis Ehrenberg, 1840 accepted as Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (spelling variation)
  » Species Coscinodiscus praenitidus J.Fenner in H.-J.Schrader & J.Fenner, 1976 † accepted as Rocella praenitida (J.Fenner in H.-J.Schrader & J.Fenner) J.Fenner in W.H.Kim & J.A.Barron, 1986 †
  » Species Coscinodiscus stellaris Roper, 1858 accepted as Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 (synonym)
  » Species Coscinodiscus symbolophorus Grunow, 1884 accepted as Stellarima microtrias (Ehrenberg) G.R.Hasle & P.A.Sims, 1986
    » Forma Coscinodiscus symbolophorus f. minor Grunow (uncertain, unassessed)
    » Forma Coscinodiscus symbolophorus f. symbolophorus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. cellulis-majoribus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. cellulis-minoribus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. fossilis Tempere & Brun in Tempere & Peragallo, 1914 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. intactus Forti, 1913 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. oamaruensis Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
    » Variety Coscinodiscus symbolophorus var. signatus Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus tabularis Grunow, 1884 accepted as Azpeitia tabularis (Grunow) G.Fryxell & P.A.Sims, 1986
  » Species Coscinodiscus tumidus Janisch, 1874 accepted as Thalassiosira tumida (Janisch) Hasle, 1971
    » Variety Coscinodiscus tumidus var. fasciculata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus tumidus var. lineatusconvexus Van Heurck, 1909 (uncertain, unassessed)
    » Variety Coscinodiscus tumidus var. tumidus Janisch in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus actinochilus Ehrenberg, 1844 (uncertain, unassessed)
  » Species Coscinodiscus actinocycloides Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus actinocycloides M. Peragallo, 1921 (uncertain, unassessed)
  » Species Coscinodiscus actinocyclus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus actinoptychus A.M.Edwards (uncertain, unassessed)
  » Species Coscinodiscus actinosus Grove ex Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus adumbratus Østrup, 1895 (uncertain, unassessed)
  » Species Coscinodiscus aequalis Grove & Sturt according to Mills, 1933 (uncertain, unassessed)
  » Species Coscinodiscus aequatorialis Belyaeva, 1968 (uncertain, unassessed)
  » Species Coscinodiscus aethes Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus agapetos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus alboranii Pavillard, 1925 (uncertain, unassessed)
  » Species Coscinodiscus alienus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus alpha Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus ambigua Grunow (ex Thum), 1885 (uncertain, unassessed)
  » Species Coscinodiscus ambiguus Stokes (uncertain, unassessed)
  » Species Coscinodiscus amplus Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus anastomosans Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus anastomosans Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus angulatus Greville, 1864 (uncertain, unassessed)
  » Species Coscinodiscus angulosus Barker & Meakin, 1946 (uncertain, unassessed)
  » Species Coscinodiscus angulosus Greville in Tempere & Peragallo (uncertain, unassessed)
  » Species Coscinodiscus angustelineatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus annulatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus annulatus Castracane, 1871 (uncertain, unassessed)
  » Species Coscinodiscus anomalus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus antarcticus Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus antarcticus var. antarcticus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus antarcticus var. schmidtii Heiden in Heiden & Kolbe, 1928 (uncertain, unassessed)
  » Species Coscinodiscus antediluvianus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus antimimos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus antiquus (Pantocsek) Schütt, 1896 (uncertain, unassessed)
  » Species Coscinodiscus antiquus Schütt, 1896 (uncertain, unassessed)
    » Forma Coscinodiscus antiquus f. minor (Cleve-Euler) Cleve-Euler, 1951 represented as Coscinodiscus antiquus f. minor Cleve-Euler, 1941
    » Forma Coscinodiscus antiquus f. regularis (Cleve-Euler) Cleve-Euler, 1951 represented as Coscinodiscus antiquus f. regularis Cleve-Euler, 1941
    » Variety Coscinodiscus antiquus var. paucispinosa (Cleve-Euler) Cleve-Euler in Cleve-Euler & Hessland, 1948 represented as Coscinodiscus antiquus f. paucispinosa Cleve-Euler, 1941
    » Forma Coscinodiscus antiquus f. antiquus Grunow, 1884 (uncertain, unassessed)
    » Forma Coscinodiscus antiquus f. bananaensis Kufferath, 1956 (uncertain, unassessed)
    » Forma Coscinodiscus antiquus f. lapponicus Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Coscinodiscus antiquus f. minor Cleve-Euler, 1941 (uncertain, unassessed)
    » Forma Coscinodiscus antiquus f. regularis Cleve-Euler, 1941 (uncertain, unassessed)
    » Variety Coscinodiscus antiquus var. genuinus Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus apages Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus aphrastos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus apiculiferus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus apponyianus Pantocsek, 1909 (uncertain, unassessed)
  » Species Coscinodiscus arafuraensis Janisch, 1888 (uncertain, unassessed)
  » Species Coscinodiscus arafuraensis O'Meara, 1877 (uncertain, unassessed)
  » Species Coscinodiscus aralensis Ostenfeld, 1908 (uncertain, unassessed)
  » Species Coscinodiscus aralocaspius Gran & Henckel in Henckel, 1909 (uncertain, unassessed)
  » Species Coscinodiscus arcus Lohman, 1948 (uncertain, unassessed)
  » Species Coscinodiscus arenarius Baranov, 1948 (uncertain, unassessed)
  » Species Coscinodiscus arenosus (Schmidt) M. Peragallo, 1897 (uncertain, unassessed)
  » Species Coscinodiscus argus Ehrenberg, 1839 (uncertain, unassessed)
    » Forma Coscinodiscus argus f. regularis Strelnikova in Dzinoridze, Jouse & Strelnikova, 1979 (uncertain, unassessed)
    » Variety Coscinodiscus argus var. argus Ehrenberg, 1839 (uncertain, unassessed)
    » Variety Coscinodiscus argus var. oamaruensis Grove Collection according to Mills, 1933 (uncertain, unassessed)
    » Variety Coscinodiscus argus var. subimpressa Cleve manuscript (uncertain, unassessed)
    » Variety Coscinodiscus argus var. subtraducens Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus argus [sensu?] Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus argus Grunow in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus armatus Greville, 1861 (uncertain, unassessed)
    » Forma Coscinodiscus armatus f. armatus Pantocsek, 1886 (uncertain, unassessed)
    » Forma Coscinodiscus armatus f. barbadensis Tempère & Peragallo, 1909 (uncertain, unassessed)
  » Species Coscinodiscus asonumaae Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus asperulus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus asteroides Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus asteromphalus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. hybridus Grun., 1844
    » Variety Coscinodiscus asteromphalus var. biangulatus (A. Schmidt) Cleve & Möller, 1879 represented as Coscinodiscus biangulatus var. biangulatus Schmidt in Schmidt et al., 1878
    » Variety Coscinodiscus asteromphalus var. boliviensis (Grunow in Van Heurck; Grunow) Tempère & Peragallo, 1889-1895 represented as Coscinodiscus boliviensis Grunow in Van Heurck, 1883
    » Variety Coscinodiscus asteromphalus var. centralis Grunow, 1884 represented as Coscinodiscus centralis f. centralis Ehrenberg, 1838
    » Variety Coscinodiscus asteromphalus var. omphalanthus (Ehrenberg) Grunow, 1884 represented as Coscinodiscus omphalanthus var. omphalanthus Ehrenberg, 1844 (1845)
    » Variety Coscinodiscus asteromphalus var. subbulliens (E. Jorgensen) Cleve-Euler, 1942 represented as Coscinodiscus subbulliens E.G.Jörgensen, 1905
    » Variety Coscinodiscus asteromphalus var. ambigua Grunow (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. asteromphalus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. brightwellioides Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. conspicua Grunow, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. densus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. eximia Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. genuina Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. hybrida Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. macrantha Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. minor Jousé, 1957 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. pabellana Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. parallela Grunow (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. princeps Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. pulchra Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus asteromphalus var. spinuligera Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus asteromphalus Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus asteromphalus [sensu] Schmidt, 1878 (uncertain, unassessed)
  » Species Coscinodiscus asymmetricus Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
  » Species Coscinodiscus asymmetricus Meister, 1932 (uncertain, unassessed)
  » Species Coscinodiscus atlanticus Grunow (uncertain, unassessed)
  » Species Coscinodiscus auliscus Kützing, 1849 (uncertain, unassessed)
  » Species Coscinodiscus australiensis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus australis Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus baicalensis Henckel, 1921 (uncertain, unassessed)
  » Species Coscinodiscus baileyana MacKay in L.W. Bailey, 1914 (uncertain, unassessed)
  » Species Coscinodiscus baldjikianus Grunow, 1888 (uncertain, unassessed)
  » Species Coscinodiscus barbadensis Greville, 1861 (uncertain, unassessed)
  » Species Coscinodiscus barkeri VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus barklyi Coates, 1861 (uncertain, unassessed)
  » Species Coscinodiscus bathyomphalus Cleve, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus bathyomphalus var. behningii Poretzky, 1934 (uncertain, unassessed)
    » Variety Coscinodiscus bathyomphalus var. hispidus Cheng & Chin, 1980 (uncertain, unassessed)
    » Variety Coscinodiscus bathyomphalus var. wankaremensis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus bellum Jousé in Proschkina-Lavrenko, 1949 (uncertain, unassessed)
  » Species Coscinodiscus bengalensis Grunow in Van Heruck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus bergii Cleve-Euler, 1941 (uncertain, unassessed)
  » Species Coscinodiscus beta Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus biconfusus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus biconicus Van Breemen, 1905 (uncertain, unassessed)
  » Species Coscinodiscus biconus Ostenfeld in Tempère & Peragallo, 1913 (uncertain, unassessed)
  » Species Coscinodiscus bicurvulatus Lohman, 1941 (uncertain, unassessed)
  » Species Coscinodiscus bifrons Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus bifrons Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus biharensis Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus binoculus Gombos, 1980 (uncertain, unassessed)
  » Species Coscinodiscus bipartitus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus biplicatus Grunow in Van Heruck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus biradiatus Greville, 1861 (uncertain, unassessed)
  » Species Coscinodiscus bisculptus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus bisinuatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus bisulcatus Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus blandus A.Schmidt, 1878 (uncertain, unassessed)
  » Species Coscinodiscus blysmos Barron, 1983 (uncertain, unassessed)
  » Species Coscinodiscus boeckhii Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus boliviensis Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus boliviensis var. boliviensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus boliviensis var. spinulosa Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus borealis Ehrenberg, 1861 (uncertain, unassessed)
  » Species Coscinodiscus borealis J.W. Bailey, 1856 (uncertain, unassessed)
  » Species Coscinodiscus boulei H. Peragallo in Heribaud, 1903 (uncertain, unassessed)
  » Species Coscinodiscus bouvet Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus brasiliensis Müller-Melchers, 1955 (uncertain, unassessed)
  » Species Coscinodiscus bremianus Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus brockmanni Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus brunii Leuduger-Fortmorel, 1898 (uncertain, unassessed)
  » Species Coscinodiscus budayanus Pantocsek, 1909 (uncertain, unassessed)
  » Species Coscinodiscus bulla Hohn & Hellerman, 1966 (uncertain, unassessed)
  » Species Coscinodiscus bullatus Janisch, 1888 (uncertain, unassessed)
  » Species Coscinodiscus bulliens Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus caballeroi Azpeitia, 1911 (uncertain, unassessed)
  » Species Coscinodiscus californicus O'Meara, 1890 (uncertain, unassessed)
  » Species Coscinodiscus cameratus Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus capensis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus caraibicus Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus carconensis Eulenstein, 1868? according to Harbirshaw et al. (uncertain, unassessed)
  » Species Coscinodiscus caspius Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus castracanei Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus castracanei Ostenfeld, 1915 (uncertain, unassessed)
  » Species Coscinodiscus caudatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus cellosus Harting, 1852 (uncertain, unassessed)
  » Species Coscinodiscus centralis Ehrenberg, 1844 (uncertain, unassessed)
    » Forma Coscinodiscus centralis f. centralis Ehrenberg, 1838 (uncertain, unassessed)
    » Forma Coscinodiscus centralis f. maxima Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Forma Coscinodiscus centralis f. minor Van Heurck (uncertain, unassessed)
    » Variety Coscinodiscus centralis var. micraster Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus centralis var. pacifica Gran & Angst, 1931 (uncertain, unassessed)
  » Species Coscinodiscus centralis [sensu?] Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus centralis Weisse, 1867 (uncertain, unassessed)
  » Species Coscinodiscus centralis sensu O'Meara, 1876 (uncertain, unassessed)
  » Species Coscinodiscus centralis A. Schulze, 1879 (uncertain, unassessed)
  » Species Coscinodiscus centranthus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus centroaculeatus Strelnikova, 1971 (uncertain, unassessed)
  » Species Coscinodiscus centrolineatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus challengeri Janisch in Cleve & Möller, 1879 (uncertain, unassessed)
  » Species Coscinodiscus chambonis M. Peragallo & Héribaud in Héribaud, 1893 (uncertain, unassessed)
  » Species Coscinodiscus charcotii M. Peragallo, 1921 (uncertain, unassessed)
  » Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus chromoradiatus sensu Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus chunii Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus ciliatus Mann, 1925 (uncertain, unassessed)
  » Species Coscinodiscus cinctus Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus cingulatus Ehrenberg, 1844 (uncertain, unassessed)
  » Species Coscinodiscus circumdatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus circumscriptus Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus circumspectus Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus cirrus Lohman, 1938 (uncertain, unassessed)
  » Species Coscinodiscus cladiscophorus Lefébure & Chenèviere, 1939 (uncertain, unassessed)
  » Species Coscinodiscus clarescens Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus clypeus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus commutatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus complexus Stodder (uncertain, unassessed)
  » Species Coscinodiscus compositus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus compressus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus comptus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus concavus Ehrenberg, 1854 (uncertain, unassessed)
    » Forma Coscinodiscus concavus f. concavus Ehrenberg, 1843 (uncertain, unassessed)
    » Forma Coscinodiscus concavus f. minor Grove ex Tempère & Peragallo, 1909, 1911 (uncertain, unassessed)
    » Variety Coscinodiscus concavus var. africana Ehrenberg (uncertain, unassessed)
    » Variety Coscinodiscus concavus var. africanus Kützing, 1849 (uncertain, unassessed)
    » Variety Coscinodiscus concavus var. punctata Grove in A. Schmidt, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus concavus var. punctata Fricke, 1902 (uncertain, unassessed)
  » Species Coscinodiscus concavus Gregory, 1857 (uncertain, unassessed)
  » Species Coscinodiscus concentricus Harting, 1852 (uncertain, unassessed)
  » Species Coscinodiscus concinniformis Simonsen, 1974 (uncertain, unassessed)
  » Species Coscinodiscus concinnoides Simonsen, 1974 (uncertain, unassessed)
  » Species Coscinodiscus concinnus Miquel, 1894 (uncertain, unassessed)
  » Species Coscinodiscus conclusus Grove in Schmidt et al., 1891 (uncertain, unassessed)
  » Species Coscinodiscus confertus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus conformis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus confusus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus conspicuus Grunow (uncertain, unassessed)
  » Species Coscinodiscus contendens Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus convergens Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus convexus Schutt, 1896 (uncertain, unassessed)
  » Species Coscinodiscus cornutus Meister, 1932 (uncertain, unassessed)
  » Species Coscinodiscus cornutus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus corolla Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus coronula Frenguelli & Orlando, 1958 (uncertain, unassessed)
  » Species Coscinodiscus costatus Hendey, 1939 (uncertain, unassessed)
  » Species Coscinodiscus craspedodiscus Kützing, 1849 (uncertain, unassessed)
  » Species Coscinodiscus craspedodiscus O'Meara, 1877 (uncertain, unassessed)
  » Species Coscinodiscus crenulatus Castracane, 1871 (uncertain, unassessed)
  » Species Coscinodiscus cribrosus Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus cruxii Fenner, 1991 (uncertain, unassessed)
  » Species Coscinodiscus cuneistriatus Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus curvatus Biske & Lak, 1956 (uncertain, unassessed)
  » Species Coscinodiscus cyaneus V.A.Nikolajev, 1965 † (uncertain, unassessed)
  » Species Coscinodiscus cycloteres Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus debilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus debilis Grove in Schmidt et al., 1890 (uncertain, unassessed)
  » Species Coscinodiscus debyi Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus decipiens Grunow ex Van Heurck, 1882 (uncertain, unassessed)
  » Species Coscinodiscus decoratus Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus decoratus 'Cleve-Euler' according to VanLandingham (uncertain, unassessed)
  » Species Coscinodiscus decrescenoides Jousé, 1955 (uncertain, unassessed)
  » Species Coscinodiscus decrescens Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus decrescens Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus decussatus Grove & Sturt manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus decussatus Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus definitus Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus deformans Schrader, 1976 (uncertain, unassessed)
  » Species Coscinodiscus deformatus Mann, 1907 (uncertain, unassessed)
  » Species Coscinodiscus deformatus Pantocsek, 1903 (uncertain, unassessed)
  » Species Coscinodiscus delawarensis Grunow in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus delta Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus demergitus Fenner, 1978 (uncertain, unassessed)
  » Species Coscinodiscus denarius Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus densus Grove & Sturt manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus dentatus Kozyrenko, 1960 (uncertain, unassessed)
  » Species Coscinodiscus denticulatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus depressus Gregory manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus detritus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus devius Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus dichotomus Brun, 1896 (uncertain, unassessed)
  » Species Coscinodiscus dichromus (Brun) Mills, 1896 (uncertain, unassessed)
  » Species Coscinodiscus difficilis Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus dimorphus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus diplostictus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus disciger Ehrenberg, 1843 (uncertain, unassessed)
  » Species Coscinodiscus discoplea Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus dispersepunctatus Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus dissoniformis N.I.Strelnikova, 1965 † (uncertain, unassessed)
  » Species Coscinodiscus distinctus Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus diversus M. Peragallo in Tempère & Peragallo, 1912 (uncertain, unassessed)
  » Species Coscinodiscus divisoides Brockmann, 1944 (uncertain, unassessed)
  » Species Coscinodiscus divisus Grunow, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus divisus var. arcuata Grunow, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus divisus var. divisus Grunow, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus divisus var. javanica Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus divisus Hustedt, 1928 (uncertain, unassessed)
  » Species Coscinodiscus doljensis Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus domifactus Hendey, 1958 (uncertain, unassessed)
  » Species Coscinodiscus dubius Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus duplex Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus duplex Z.I.Glezer (uncertain, unassessed)
  » Species Coscinodiscus duriusculus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus ebulliens Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus eccentricus Ehrenberg, 1840 † (uncertain, unassessed)
  » Species Coscinodiscus echinatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus egregius Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus ehrenbergii O'Meara, 1875 (uncertain, unassessed)
  » Species Coscinodiscus elegans Greville, 1866 (uncertain, unassessed)
  » Species Coscinodiscus elegantulus Greville, 1861 (uncertain, unassessed)
  » Species Coscinodiscus ellipticus Grunow, 1867 (1870) (uncertain, unassessed)
  » Species Coscinodiscus ellipticus Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus elongatus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus endoi Kanaya, 1959 (uncertain, unassessed)
  » Species Coscinodiscus eomonoculus Bukry, 1987 (uncertain, unassessed)
  » Species Coscinodiscus epiphanes Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus eta Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus euryomma Schmidt in Schmidt et al., 1891 (uncertain, unassessed)
  » Species Coscinodiscus evermanni Hanna & Grant, 1926 (uncertain, unassessed)
  » Species Coscinodiscus exasperans Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus excentricus [sensu] Schmidt, 1874 (uncertain, unassessed)
    » Forma Coscinodiscus excentricus f. catenata (Gran) Peragallo & Peragallo, 1897-1908 represented as Coscinodiscus excentricus var. catenata Gran, 1897
    » Forma Coscinodiscus excentricus f. velata (A. Cleve) A. Cleve, 1951 represented as Thalassiosira excentrica f. velata Cleve-Euler, 1942
    » Variety Coscinodiscus excentricus var. gelatinosa (Hensen) Cleve, 1897 represented as Thalassiosira gelatinosa Hensen, 1887
    » Variety Coscinodiscus excentricus var. minor (Ehrenberg) Peragallo & Peragallo, 1908 represented as Coscinodiscus minor Ehrenberg, 1840
    » Forma Coscinodiscus excentricus f. excentricus Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Coscinodiscus excentricus f. minima H. Peragallo in Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Forma Coscinodiscus excentricus f. minor Jousé, 1939 (uncertain, unassessed)
    » Forma Coscinodiscus excentricus f. solaris Peragallo & Peragallo, 1908 (uncertain, unassessed)
    » Forma Coscinodiscus excentricus f. velata Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. antiquus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. catenata Gran, 1897 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. fasciculata Hustedt, 1928 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. hyalina Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. jousei Kanaya in Kanaya & Koizumi, 1966 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. leasareolatus Kanaya in Kanaya & Koizumi, 1966 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. minima H. Peragallo in Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Variety Coscinodiscus excentricus var. minor Poretzkij, 1939 (uncertain, unassessed)
  » Species Coscinodiscus exceptus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus expectus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus extravagans Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus exutus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus fallax Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus fasciatus Ehrenberg, 1855 (uncertain, unassessed)
  » Species Coscinodiscus fasciculatus Schmidt, 1878 (uncertain, unassessed)
  » Species Coscinodiscus fasciculatus O'Meara, 1867 (uncertain, unassessed)
  » Species Coscinodiscus faurii Gasse, 1975 (uncertain, unassessed)
  » Species Coscinodiscus favorabilis Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus favus Frenguelli, 1936 (uncertain, unassessed)
  » Species Coscinodiscus febigeri H.L. Smith, 1874 (uncertain, unassessed)
  » Species Coscinodiscus fenestratus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus filiformis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus fimbriato-limbatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus fimbriatus Schmidt in Schmidt et al., 1881 (uncertain, unassessed)
  » Species Coscinodiscus fimbriatus-limbatus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus finicus Misra, 1956 (uncertain, unassessed)
  » Species Coscinodiscus flabellatus Rubina, 1976 (uncertain, unassessed)
  » Species Coscinodiscus flagrans Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus flavicans Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus flavicans Weisse, 1854 (uncertain, unassessed)
  » Species Coscinodiscus flexilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus florescens Grunow in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus floridulus Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus foraminosus Greville manuscript in Coll. British Museum ex Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus fragilissimus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus frigidus A.P.Jousé, 1965 (uncertain, unassessed)
  » Species Coscinodiscus fulguralis Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus furcatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus furcillatus J.W. Bailey, 1856 (uncertain, unassessed)
  » Species Coscinodiscus fuscus G.Norman, 1861 (uncertain, unassessed)
  » Species Coscinodiscus fusiformis Tempère & Peragallo, 1907-1915 (uncertain, unassessed)
  » Species Coscinodiscus gainii M. Peragallo, 1921 (uncertain, unassessed)
  » Species Coscinodiscus galapagensis Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus gamma Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus gazellae C.Janisch ex Grunow, 1879 (uncertain, unassessed)
  » Species Coscinodiscus gelatinosus (Cleve) Lemmermann (uncertain, unassessed)
  » Species Coscinodiscus gemmatulus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus gerlachii Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus gerthii Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus giganteus Peragallo & Peragallo, 1897-1908 (uncertain, unassessed)
  » Species Coscinodiscus glaberrimus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus glacialis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus globosus Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus gombosii Gleser, Dolmatova & Lupikina, 1986 (uncertain, unassessed)
  » Species Coscinodiscus gracilentus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus gracilis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus gracilis Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus gracilis Dolmatova in Dolmatova, Kuklina & Oreshkina, 1984 (uncertain, unassessed)
  » Species Coscinodiscus grandenucleatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus granulatus Ehrenberg, 1845 (uncertain, unassessed)
  » Species Coscinodiscus grayianus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus gregorianus O' Meara, 1867 (uncertain, unassessed)
  » Species Coscinodiscus gregorii O'Meara, 1876 (uncertain, unassessed)
  » Species Coscinodiscus griseus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus grossheimii Gleser in Scheschukova & Gleser, 1962 (uncertain, unassessed)
  » Species Coscinodiscus groveanus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus guineensis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus guineensis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus gyratus Janisch, 1888 (uncertain, unassessed)
  » Species Coscinodiscus hainanensis Kuo, 1976 (uncertain, unassessed)
  » Species Coscinodiscus hajosiae Fenner, 1984 (uncertain, unassessed)
  » Species Coscinodiscus hantzschii Rosen, 1930 (uncertain, unassessed)
  » Species Coscinodiscus haradaae Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus heliozoides Siddall, 1912 (uncertain, unassessed)
  » Species Coscinodiscus herculus Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus hertleinii Hanna & Grant, 1926 (uncertain, unassessed)
  » Species Coscinodiscus heteromorphus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus heteroporus Ehrenberg, 1844 (uncertain, unassessed)
    » Forma Coscinodiscus heteroporus f. heteroporus [sensu] Grunow in Schmidt, 1878 (uncertain, unassessed)
    » Forma Coscinodiscus heteroporus f. major Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus heteroporus var. moronensis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus heterostigma Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus hexagonus Cheng & Chin, 1980 (uncertain, unassessed)
  » Species Coscinodiscus hibernicus Tarnogradskii, 1948 (uncertain, unassessed)
  » Species Coscinodiscus hillabyanus Tempere & Forti in Tempere & Peragallo, 1907-1915 (uncertain, unassessed)
  » Species Coscinodiscus hirosakiensis Kanaya, 1959 (uncertain, unassessed)
  » Species Coscinodiscus hispidulus Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus hokkaidoensis Okuno, 1959 (uncertain, unassessed)
  » Species Coscinodiscus horridus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus humilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus hustedtii Müller-Melchers, 1953/1955 (uncertain, unassessed)
  » Species Coscinodiscus hustedtii A.P.Jousé, 1949 † (uncertain, unassessed)
  » Species Coscinodiscus hyaleus Athanassopoulos, 1931 (uncertain, unassessed)
  » Species Coscinodiscus hyalinus Grunow, 1880 (uncertain, unassessed)
  » Species Coscinodiscus ildicoi Hajós, 1974 (uncertain, unassessed)
  » Species Coscinodiscus imbertii E. Manguin, 1960 (uncertain, unassessed)
  » Species Coscinodiscus immaculatus Hanna, 1927 (uncertain, unassessed)
  » Species Coscinodiscus imperator Janisch ms. in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus impolitus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus impressus Hajós, 1974 (uncertain, unassessed)
  » Species Coscinodiscus impressus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus inaequalis Grove & Sturt, 1887 (uncertain, unassessed)
  » Species Coscinodiscus inaequisculptus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus incertus Leuduger-Fortmorel, 1898 (uncertain, unassessed)
  » Species Coscinodiscus incertus Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus incertus Kazarina, 1975 (uncertain, unassessed)
  » Species Coscinodiscus inclusus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus incompositus Boyer, 1922 (uncertain, unassessed)
  » Species Coscinodiscus incomptus Nygaard, 1932 (uncertain, unassessed)
  » Species Coscinodiscus increscens Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus incretus Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus incurvus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus indicus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus indistinctus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus inexpectatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus inflatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus inordinatus Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus inornatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus inscriptus Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus insulindicus Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus insutus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus interlineatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus intermedius Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus intermittens Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus intermixtus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus intersectus Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus intramarginatus Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus irradiatus Harting, 1864 (uncertain, unassessed)
  » Species Coscinodiscus irregularis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus irregularis Grunow (uncertain, unassessed)
  » Species Coscinodiscus irroratus Castracane, 1880 (uncertain, unassessed)
  » Species Coscinodiscus isoporus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus jacksonii Desikachary & Sreelatha, 1989 (uncertain, unassessed)
  » Species Coscinodiscus jambori Hajós, 1971 (uncertain, unassessed)
    » Forma Coscinodiscus jambori f. biseriata Hajós, 1971 (uncertain, unassessed)
    » Forma Coscinodiscus jambori f. magna Hajós, 1971 (uncertain, unassessed)
    » Forma Coscinodiscus jambori f. minor Hajós, 1971 (uncertain, unassessed)
  » Species Coscinodiscus japonicus Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus japonicus Cleve ex Hitchcock in Habirshaw et al., 1877-1894 (uncertain, unassessed)
  » Species Coscinodiscus javanensis Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
  » Species Coscinodiscus jeremianus Boyer, 1922 (uncertain, unassessed)
  » Species Coscinodiscus jimboi Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus joergensenii Ostenfeld, 1910 (uncertain, unassessed)
  » Species Coscinodiscus josefinus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus jousei Hajós, 1977 (uncertain, unassessed)
  » Species Coscinodiscus karstenii Sournia, 1968 (uncertain, unassessed)
  » Species Coscinodiscus karstenii Woodhead & Tweed, 1960 (uncertain, unassessed)
  » Species Coscinodiscus karstenii VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus kerguelensis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus kinkerianus Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus kochii Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus kolbei A.P.Jousé, 1965 (uncertain, unassessed)
  » Species Coscinodiscus kruizingai Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus kryophilus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus kurzii Grunow, 1888 (uncertain, unassessed)
  » Species Coscinodiscus kusnetzkianus Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus labyrinthus Roper, 1858 (uncertain, unassessed)
  » Species Coscinodiscus lactucae-patella Bone & Gosden, 1967 (uncertain, unassessed)
  » Species Coscinodiscus lacunosus A. Berg, 1952 (uncertain, unassessed)
  » Species Coscinodiscus lacunosus Grove in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus lacustris Grunow (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. hyperboreus Grunow
    » Variety Coscinodiscus lacustris var. pelagicus Cleve-Euler
    » Variety Coscinodiscus lacustris var. septentrionalis Grunow
    » Forma Coscinodiscus lacustris f. deformis (Cleve-Euler) Cleve-Euler, 1951 represented as Coscinodiscus lacustris var. deformis Cleve-Euler, 1942
    » Forma Coscinodiscus lacustris f. septentrionalis (Grunow) Rattray, 1890 represented as Coscinodiscus septentrionalis Grunow, 1884
    » Variety Coscinodiscus lacustris var. australiensis (Grunow) Rattray, 1890 represented as Coscinodiscus australiensis Grunow, 1884
    » Variety Coscinodiscus lacustris var. hyperborea (Grunow) Rattray, 1890
    » Variety Coscinodiscus lacustris var. iris (Héribaud-Joseph & Brun) Playfair represented as Cyclotella iris f. iris Brun & Héribaud, 1893
    » Forma Coscinodiscus lacustris f. japonicus Iwahashi, 1936 (uncertain, unassessed)
    » Forma Coscinodiscus lacustris f. lacustris Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. capensis Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. deformis Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. denticulatus Playfair, 1914 (1915) (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. marinus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. nipponica Skvortzow, 1936 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. papillatus Playfair, 1915 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. pelagica Cleve-Euler, 1937 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. pellucidus Playfair, 1915 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. porteri Frenguelli, 1930 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. stellatus Playfair, 1915 (uncertain, unassessed)
    » Variety Coscinodiscus lacustris var. tympaniformis Playfair, 1915 (uncertain, unassessed)
  » Species Coscinodiscus laevis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus lamprotediscus Van Heurck, 1896 (uncertain, unassessed)
  » Species Coscinodiscus lanceolatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus latimarginatus Guo, 1981 (uncertain, unassessed)
  » Species Coscinodiscus limbatus Ehrenberg, 1840 (uncertain, unassessed)
  » Species Coscinodiscus limbatus Janisch & Rabenhorst, 1862 (uncertain, unassessed)
  » Species Coscinodiscus limifixus Kufferath, 1956 (uncertain, unassessed)
  » Species Coscinodiscus lineatus Ehrenberg, 1841 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. leptopus Grunow represented as Coscinodiscus leptopus var. leptopus Grunow in Van Heurck, 1883
    » Forma Coscinodiscus lineatus f. minor Frenguelli, 1928 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. ellipticus Kolbe, 1954 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. macroporus Hajós, 1968 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. multiareolatus Zimmermann, 1918 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. ocellatus Schumann, 1867 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. oculatus Petit, 1881 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. tenera Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus lineatus Weisse, 1854 (uncertain, unassessed)
  » Species Coscinodiscus lineatus [sensu] Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus lineatus [sensu] Witt, 1885 (uncertain, unassessed)
  » Species Coscinodiscus lineatus [sensu] Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus lineatus Cleve, 1896 (uncertain, unassessed)
    » Forma Coscinodiscus lineatus f. polychorda (Gran) Peragallo & Peragallo, 1897-1908 represented as Coscinodiscus polychordus Gran, 1897
    » Variety Coscinodiscus lineatus var. convexus (Ehrenberg) Wornardt, 1967 represented as Coscinodiscus lineatus f. lineatus Ehrenberg, 1839
    » Variety Coscinodiscus lineatus var. irregularis (Tempère & Peragallo) Hustedt, 1928 represented as Coscinodiscus leptopus var. irregularis Tempère & Peragallo, 1907
    » Variety Coscinodiscus lineatus var. polychorda (Gran; Peragallo & Peragallo) F.W. Mills, 1933 represented as Coscinodiscus polychordus Gran, 1897
    » Forma Coscinodiscus lineatus f. fossilis Jousé, 1963 (uncertain, unassessed)
    » Forma Coscinodiscus lineatus f. lineatus Ehrenberg, 1839 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. genuinus Cleve-Euler, 1951 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. lineata-convexa Van Heurck, 1909 (uncertain, unassessed)
    » Variety Coscinodiscus lineatus var. vanheurckii Cleve-Euler, 1942 (uncertain, unassessed)
  » Species Coscinodiscus lineolatus Ehrenberg, 1872 (1873) (uncertain, unassessed)
  » Species Coscinodiscus liocentrum Ehrenberg, 1871 (uncertain, unassessed)
  » Species Coscinodiscus litos Hohn & Hellerman, 1966 (uncertain, unassessed)
  » Species Coscinodiscus lobatus Barker & Meakin, 1946 (uncertain, unassessed)
    » Variety Coscinodiscus lobatus var. sibericus Tscheremissionva, 1971 (uncertain, unassessed)
  » Species Coscinodiscus lobatus Rubina, 1967 (uncertain, unassessed)
    » Variety Coscinodiscus lobatus var. parallelolineatus Rubina, 1976 (uncertain, unassessed)
  » Species Coscinodiscus loeblichii Barron, 1985 (uncertain, unassessed)
  » Species Coscinodiscus lohmanites VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus longi Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus longispinus Grunow in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus luctuosus Grove manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus ludovicianus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus lunae Ehrenberg, 1844 (uncertain, unassessed)
  » Species Coscinodiscus lunatus Grove manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus lutescens Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus luxuriosus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus macraeanus Greville, 1865 (uncertain, unassessed)
  » Species Coscinodiscus macraeanus Grunow in Schmidt et al., 1890 (uncertain, unassessed)
  » Species Coscinodiscus macroporus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus macropunctatus Hajós, 1959 (uncertain, unassessed)
  » Species Coscinodiscus macropunctatus Hajós & Palfalvy, 1961 (uncertain, unassessed)
  » Species Coscinodiscus maculatus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
  » Species Coscinodiscus maculosus Long, Fuge & Smith, 1946 (uncertain, unassessed)
  » Species Coscinodiscus maeoticus Milovanova, 1955 (uncertain, unassessed)
  » Species Coscinodiscus mannii Pantocsek, 1909 (uncertain, unassessed)
  » Species Coscinodiscus margaritaceus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus margaritae Frenguelli & Orlando, 1958 (uncertain, unassessed)
  » Species Coscinodiscus marginatolineatus (uncertain, unassessed)
  » Species Coscinodiscus marginatus Ehrenberg, 1844 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. intermedia (Grunow) Rattray, 1890 represented as Coscinodiscus robustus var. intermedia Grunow, 1884
    » Forma Coscinodiscus marginatus f. endictya Jousé, 1960 (uncertain, unassessed)
    » Forma Coscinodiscus marginatus f. fossilis Jousé, 1957 (uncertain, unassessed)
    » Forma Coscinodiscus marginatus f. fossilis Jousé, 1961 (uncertain, unassessed)
    » Forma Coscinodiscus marginatus f. irregularis Forti, 1908 (uncertain, unassessed)
    » Forma Coscinodiscus marginatus f. irregularis Forti, 1908 (uncertain, unassessed)
    » Forma Coscinodiscus marginatus f. marginatus Ehrenberg, 1843 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. antiquus Jousé, 1973 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. beta Ehrenberg (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. decussata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. latemarginata Pantocsek, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. sublineata Frenguelli, 1936 (uncertain, unassessed)
    » Variety Coscinodiscus marginatus var. submarginatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus marginatus Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus marginatus Janisch, 1862 (uncertain, unassessed)
  » Species Coscinodiscus marginatus Schmidt, 1874 (uncertain, unassessed)
  » Species Coscinodiscus marginulatus Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. granulata (Ehrenberg) Grunow, 1880 represented as Coscinodiscus granulatus Ehrenberg, 1845
    » Variety Coscinodiscus marginulatus var. campechiana Grunow in Van Heurck, 1882 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. curvatostriata Grunow in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. gallopagensis Grunow in Van Heurck, 1882 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. marginulatus Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. sparsa Grunow in Van Heurck, 1882 (uncertain, unassessed)
    » Variety Coscinodiscus marginulatus var. stellulifera Grunow in Van Heurck, 1882 (uncertain, unassessed)
  » Species Coscinodiscus mártonfii Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus marylandicus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
  » Species Coscinodiscus masonii Hanna & Grant, 1926 (uncertain, unassessed)
  » Species Coscinodiscus matraensis Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus maximus Grunow (uncertain, unassessed)
  » Species Coscinodiscus mecasmus 'Ehrenberg' according to Mills, 1933 (uncertain, unassessed)
  » Species Coscinodiscus mecsekensis Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus media (uncertain, unassessed)
    » Variety Coscinodiscus media var. media (Grunow) (uncertain, unassessed)
    » Variety Coscinodiscus media var. parva Grunow "Boek Cat. 1889" according to Peragallo, 1903 (uncertain, unassessed)
  » Species Coscinodiscus mediadisperse-punctatum Skabichevskaya, 1984 (uncertain, unassessed)
  » Species Coscinodiscus meditatus Hanna, 1932 (uncertain, unassessed)
  » Species Coscinodiscus megacentrum Grove manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus megacoccus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus megalomma Schmidt in Schmidt et al., 1891 (uncertain, unassessed)
  » Species Coscinodiscus megaporus Ehrenberg, 1861 (uncertain, unassessed)
  » Species Coscinodiscus mendosus VanLandingham (uncertain, unassessed)
  » Species Coscinodiscus mesacmaeus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus mesodictyon Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus mesoleius Cleve (uncertain, unassessed)
  » Species Coscinodiscus micans Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus microcentrum Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus minimus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus minimus Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus minor Ehrenberg, 1840 (uncertain, unassessed)
    » Variety Coscinodiscus minor var. fuscus Grunow, 1867 (uncertain, unassessed)
    » Variety Coscinodiscus minor var. quadripartita Østrup, 1895 (uncertain, unassessed)
  » Species Coscinodiscus minor Anglor in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus minor W. Smith, 1853 (uncertain, unassessed)
  » Species Coscinodiscus minor Weisse, 1854 (uncertain, unassessed)
  » Species Coscinodiscus minuens Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus minutellus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus minutifasciculatus Kuo, 1976 (uncertain, unassessed)
  » Species Coscinodiscus minutiosus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus minutus Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus minutus Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus miocaenicus Krasske, 1934 (uncertain, unassessed)
  » Species Coscinodiscus miocenicus Schrader, 1973 (uncertain, unassessed)
  » Species Coscinodiscus miocenicus Hajós, 1959 (uncertain, unassessed)
  » Species Coscinodiscus mirabilis Jousé, 1955 (uncertain, unassessed)
  » Species Coscinodiscus mirificus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus mobilensis K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Coscinodiscus modestus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus moholensis Schrader, 1974 (uncertain, unassessed)
  » Species Coscinodiscus moniliformis Pavillard, 1930 (uncertain, unassessed)
  » Species Coscinodiscus monodon Mereschkowsky, 1902-1903 (uncertain, unassessed)
  » Species Coscinodiscus moravicus Grunow in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus morenoensis Hanna, 1927 (uncertain, unassessed)
  » Species Coscinodiscus moseleyi O'Meara, 1875 (uncertain, unassessed)
  » Species Coscinodiscus mossianus Greville, 1865 (uncertain, unassessed)
  » Species Coscinodiscus mukhinae Donahue, 1970 (uncertain, unassessed)
  » Species Coscinodiscus multispinosus Hajós, 1959 (uncertain, unassessed)
  » Species Coscinodiscus mutabilis Strelnikova, 1974 (uncertain, unassessed)
  » Species Coscinodiscus nankoorensis Desikachary & Ranjitha Devi, 1986 (uncertain, unassessed)
  » Species Coscinodiscus nanolineatus Mann, 1925 (uncertain, unassessed)
  » Species Coscinodiscus nebula Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus neglectus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus neogradensis Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus neoradiatus Cleve-Euler, 1941 (uncertain, unassessed)
  » Species Coscinodiscus nevadensis Smedman, 1969 (uncertain, unassessed)
  » Species Coscinodiscus nitidus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus nobilis Grunow, 1879 (uncertain, unassessed)
  » Species Coscinodiscus nobilis [sensu] Meunier, 1910 (uncertain, unassessed)
  » Species Coscinodiscus nodatus Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus nodulifer A.W.F.Schmidt, 1878 (uncertain, unassessed)
    » Forma Coscinodiscus nodulifer f. cyclopus Jousé, 1971 (uncertain, unassessed)
    » Forma Coscinodiscus nodulifer f. minor Tempère & Peragallo, 1914 (uncertain, unassessed)
    » Forma Coscinodiscus nodulifer f. nodulifer Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
    » Variety Coscinodiscus nodulifer var. apiculata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus nodulifer var. media H. Peragallo in Tempère & Peragallo, 1908 (uncertain, unassessed)
  » Species Coscinodiscus nodulolineatus Hendey, 1958 (uncertain, unassessed)
  » Species Coscinodiscus nonscriptus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus normanianus Greville, 1866 (uncertain, unassessed)
  » Species Coscinodiscus normanii Gregory ex Greville, 1859 (uncertain, unassessed)
  » Species Coscinodiscus normannicus Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus normannii (uncertain, unassessed)
  » Species Coscinodiscus norwegicus Schrader in Schrader & Fenner, 1976 (uncertain, unassessed)
  » Species Coscinodiscus notabilis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus nottinghamensis Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus oamaruensis Grove & Sturt, 1887 (uncertain, unassessed)
  » Species Coscinodiscus obliquus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus obnubilus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus ochotensis Jousé, 1957 (uncertain, unassessed)
  » Species Coscinodiscus oculoides Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus oculus perforatus (uncertain, unassessed)
  » Species Coscinodiscus oculusiridis Grunow in Schmidt et al., 1886 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. borealis (J.W. Bailey) Cleve, 1883 represented as Coscinodiscus borealis J.W. Bailey, 1856
    » Forma Coscinodiscus oculusiridis f. subbulliens M. Peragallo, 1921 (uncertain, unassessed)
    » Forma Coscinodiscus oculusiridis f. subspinosa Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. australis M. Peragallo, 1921 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. excentrica M. Peragallo, 1921 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. genuina Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. loculifera Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. morsiana Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. pacifica Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. stelliger Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. tenuistriata Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus oculusiridis var. typicus Cleve-Euler, 1942 (uncertain, unassessed)
  » Species Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Coscinodiscus oculus-iridis f. typica Cleve-Euler, 1941 (uncertain, unassessed)
    » Variety Coscinodiscus oculus-iridis var. asteromphalus Van Heurck, 1885 (uncertain, unassessed)
    » Variety Coscinodiscus oculus-iridis var. oculus-iridis Ehrenberg, 1840 (uncertain, unassessed)
  » Species Coscinodiscus oestrupii Van Heurck, 1909 (uncertain, unassessed)
  » Species Coscinodiscus okamurae Skvortzow, 1932 (uncertain, unassessed)
  » Species Coscinodiscus okunoi Iwahashi, 1936 (uncertain, unassessed)
  » Species Coscinodiscus oligocenicus Jousé, 1973 (uncertain, unassessed)
    » Variety Coscinodiscus oligocenicus var. nodosus Jousé, 1973 (uncertain, unassessed)
  » Species Coscinodiscus oliverianus (O'Meara) Cleve, 1901 (uncertain, unassessed)
  » Species Coscinodiscus omphalanthus [sensu] Grunow in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus oppositus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus oruetae Azpeitia Moros, 1911 (uncertain, unassessed)
  » Species Coscinodiscus ostenfeldii Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus ovalis Roper, 1858 (uncertain, unassessed)
  » Species Coscinodiscus ovicentrum Grove in Schmidt et al., 1893 (uncertain, unassessed)
  » Species Coscinodiscus ovum Tempère & M. Peragallo in Tempère & Peragallo, 1912 (uncertain, unassessed)
  » Species Coscinodiscus pacificus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus pannonicus Hajós & Palfalvy, 1963 (uncertain, unassessed)
    » Forma Coscinodiscus pannonicus f. minima Hajós & Palfalvy, 1963 (uncertain, unassessed)
    » Forma Coscinodiscus pannonicus f. parva Hajós & Palfalvy, 1963 (uncertain, unassessed)
  » Species Coscinodiscus pantocsekii De Toni, 1894 (uncertain, unassessed)
  » Species Coscinodiscus pantocsekites VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus papillosus Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus papuanus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus papulosus Forti, 1910 (uncertain, unassessed)
  » Species Coscinodiscus paradoxus Cheng & Chin, 1980 (uncertain, unassessed)
  » Species Coscinodiscus parma J.W. Bailey (uncertain, unassessed)
  » Species Coscinodiscus parvus Hajós, 1971 (uncertain, unassessed)
  » Species Coscinodiscus parvus (Grunow) A.Henckel (uncertain, unassessed)
  » Species Coscinodiscus patellaeformis Greville, 1861 (uncertain, unassessed)
  » Species Coscinodiscus patera Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus patina Ehrenberg, 1839 (uncertain, unassessed)
  » Species Coscinodiscus patina [sensu] J.W. Bailey, 1842 (uncertain, unassessed)
  » Species Coscinodiscus patina [sensu?] Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus patula Pelletan, 1889 (uncertain, unassessed)
  » Species Coscinodiscus pauper Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus pavillardii Forti, 1922 (uncertain, unassessed)
  » Species Coscinodiscus pectinatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus pelagicus N.Woodhead & R.D.Tweed, 1960 (uncertain, unassessed)
  » Species Coscinodiscus pellucidus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus peragalloi Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus perforatus Cleve & Möller, 1878 (uncertain, unassessed)
  » Species Coscinodiscus perminutus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus peruanus Grunow in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus pethöi Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus pileolus A. Schmidt (uncertain, unassessed)
  » Species Coscinodiscus pilosus Schmidt in Schmidt et al., 1890 (uncertain, unassessed)
  » Species Coscinodiscus planetophorus Meister, 1932 (uncertain, unassessed)
  » Species Coscinodiscus planithecus Kuo, 1976 (uncertain, unassessed)
  » Species Coscinodiscus planiusculus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus planus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus plicatoides Simonsen, 1974 (uncertain, unassessed)
  » Species Coscinodiscus plicatulus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus polurrhaptos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus polyacanthus auct. (uncertain, unassessed)
  » Species Coscinodiscus polyactis Cleve-Euler, 1941 (uncertain, unassessed)
  » Species Coscinodiscus polycora Ehrenberg, 1855 (uncertain, unassessed)
  » Species Coscinodiscus polygonus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus polymorphus Strelnikova, 1974 (uncertain, unassessed)
  » Species Coscinodiscus polyradiatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus polystigma Ehrenberg, 1843 (uncertain, unassessed)
  » Species Coscinodiscus praelineatus Jousé, 1968 (uncertain, unassessed)
  » Species Coscinodiscus praenodulifer Barron, 1983 (uncertain, unassessed)
  » Species Coscinodiscus praeolarus Schmidt in Schmidt et al., 1891 (uncertain, unassessed)
  » Species Coscinodiscus praepaleaceus Schrader, 1973 (uncertain, unassessed)
  » Species Coscinodiscus praetextus Janisch, 1888 (uncertain, unassessed)
  » Species Coscinodiscus praetor Grove manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus praeyabei Schrader, 1973 (uncertain, unassessed)
  » Species Coscinodiscus princeps Jousé, 1973 (uncertain, unassessed)
  » Species Coscinodiscus problematicus VanLandingham, 1968 (uncertain, unassessed)
  » Species Coscinodiscus profundus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus proximus Makarova, 1961 (uncertain, unassessed)
  » Species Coscinodiscus pseudanastomosans Desikachary, Gowthaman & Latha, 1987 (uncertain, unassessed)
  » Species Coscinodiscus pseudoactinocyclus Forti, 1913 (uncertain, unassessed)
  » Species Coscinodiscus pseudodenticulatus Hustedt, 1958 (uncertain, unassessed)
  » Species Coscinodiscus pseudoincertus Kazarina, 1978 (uncertain, unassessed)
  » Species Coscinodiscus pseudolineatus Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus pseudomarginatus Hustedt, 1935 (uncertain, unassessed)
  » Species Coscinodiscus pseudonitidulus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus pseudoradiolatus M. Peragallo, 1921 (uncertain, unassessed)
  » Species Coscinodiscus pulcherrimus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus pumilio Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus pumilus Grunow in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus punctulatus Gregory, 1857 (uncertain, unassessed)
  » Species Coscinodiscus pusillus Grove ms. in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus pustulatus Mann, 1907 (uncertain, unassessed)
  » Species Coscinodiscus pyrenoidophorus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus pyxidicula Kützing, 1849 (uncertain, unassessed)
  » Species Coscinodiscus pyxidicula 'Ehrenberg' according to Mills, 1933 (uncertain, unassessed)
  » Species Coscinodiscus pyxis Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus quadrifarius Manguin, 1960 (uncertain, unassessed)
  » Species Coscinodiscus quindenarius Hitchcock in Habirshaw, 1881-1882 (uncertain, unassessed)
  » Species Coscinodiscus quinquiesmarcatus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus radiatus Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. asteromphalus (Ehrenberg; Ehrenberg) Van Heurck, 1896 represented as Coscinodiscus asteromphalus var. asteromphalus Ehrenberg, 1844
    » Forma Coscinodiscus radiatus f. parva (Grunow) Hustedt, 1928 represented as Coscinodiscus radiatus var. parva Grunow, 1878
    » Variety Coscinodiscus radiatus var. centralis (Ehrenberg; Ehrenberg) Van Heurck, 1896 represented as Coscinodiscus centralis f. centralis Ehrenberg, 1838
    » Variety Coscinodiscus radiatus var. concinnus (W. Smith) Van Heurck, 1896 represented as Coscinodiscus concinnus var. concinnus W. Smith, 1856
    » Variety Coscinodiscus radiatus var. jonesianus (Greville) Van Heurck, 1896 represented as Eupodiscus jonesianus Greville, 1862
    » Variety Coscinodiscus radiatus var. minor (Schmidt) Rattray, 1890 represented as Coscinodiscus radiatus f. minor Schmidt, 1874
    » Variety Coscinodiscus radiatus var. moronensis (Grunow) Frenguelli, 1928 represented as Coscinodiscus heteroporus var. moronensis Grunow, 1884
    » Variety Coscinodiscus radiatus var. oculusiridis (Ehrenberg) E. Jørgensen, 1905 represented as Coscinodiscus oculus-iridis var. oculus-iridis Ehrenberg, 1840
    » Variety Coscinodiscus radiatus var. oculusiridis (Ehrenberg; Ehrenberg) Van Heurck, 1896 represented as Coscinodiscus oculus-iridis var. oculus-iridis Ehrenberg, 1840
    » Forma Coscinodiscus radiatus f. conspicua Van Heurck, 1909 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. heterosticta Grunow in Pantocsek, 1886 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. minima Frenguelli, 1930 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. minor Schmidt, 1874 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. parva Pantocsek, 1886 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. radiatus Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Coscinodiscus radiatus f. subaequalis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. abyssalis Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. alpha (uncertain, unassessed)
      » Subvariety Coscinodiscus radiatus var. alpha genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. borealis (Ehrenberg) Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. crenulatus Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. glacialis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. heterosticta Tempère & Peragallo, 1909 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. irregularis Grunow in Van Heurck, 1883 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. media Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. minuscula Grunow (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. nodulifer Reinhold, 1937 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. parva Grunow, 1878 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. subfasciculata Grove collection according to Mills, 1933 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. subsalsus Goretskii, 1951 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. triangularis Cox, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus radiatus var. ventralis Ostroumou, 1905 (uncertain, unassessed)
  » Species Coscinodiscus radiatus J.W. Bailey, 1842 (uncertain, unassessed)
  » Species Coscinodiscus radiatus sensu H.L. Smith, 1874-1879 (uncertain, unassessed)
  » Species Coscinodiscus radiofurcatus MacKay in L.W. Bailey, MacKay & Kendall, 1915 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Weisse, 1854 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Janisch, 1862 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Weisse, 1868 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Schmidt, 1874 (uncertain, unassessed)
  » Species Coscinodiscus radiolatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus radiopunctatus Hajós, 1968 (uncertain, unassessed)
  » Species Coscinodiscus radiopunctatus Harting, 1864 (uncertain, unassessed)
  » Species Coscinodiscus radiosus (uncertain, unassessed)
    » Variety Coscinodiscus radiosus var. kerguelensis Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus radiosus var. radiosus Grunow in Van Heurck, 1883 (uncertain, unassessed)
  » Species Coscinodiscus rebunensis Ichikawa, 1971 (uncertain, unassessed)
  » Species Coscinodiscus rectangulus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus regina G.C.Wallich (uncertain, unassessed)
  » Species Coscinodiscus regius Wallich, 1868 (uncertain, unassessed)
  » Species Coscinodiscus regius 'Grunow', 1878 (uncertain, unassessed)
  » Species Coscinodiscus regius Grunow, 1879 (uncertain, unassessed)
  » Species Coscinodiscus relatus Bailey, 1924 (uncertain, unassessed)
  » Species Coscinodiscus reniformis Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus rex Wallich in Schmidt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus rhombicus Castracane, 1886 (uncertain, unassessed)
    » Variety Coscinodiscus rhombicus var. crassipunctata Forti, 1913 (uncertain, unassessed)
    » Variety Coscinodiscus rhombicus var. italicus Forti, 1910 (uncertain, unassessed)
    » Variety Coscinodiscus rhombicus var. lanceolata Forti, 1912 (uncertain, unassessed)
  » Species Coscinodiscus ritscheri Hustedt, 1958 (uncertain, unassessed)
  » Species Coscinodiscus robustus [sensu] Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus rotula Grunow, 1878 (uncertain, unassessed)
  » Species Coscinodiscus rotundus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus ruboides Schrader, 1976 (uncertain, unassessed)
  » Species Coscinodiscus rudis Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus rudolfi Bachmann, 1938 (uncertain, unassessed)
  » Species Coscinodiscus salisburyanus Lohman, 1948 (uncertain, unassessed)
  » Species Coscinodiscus sarmaticus Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus sawamurae Akiba, 1980 (uncertain, unassessed)
  » Species Coscinodiscus schimperi Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus schmidti Okuno in Helmcke-Krieger, 1964 (uncertain, unassessed)
  » Species Coscinodiscus scintillans Greville, 1863 (uncertain, unassessed)
  » Species Coscinodiscus scitulus Mann, 1925 (uncertain, unassessed)
  » Species Coscinodiscus secernendus Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus sectoralis Gleser, Dolmatova & Lupikina, 1986 (uncertain, unassessed)
  » Species Coscinodiscus sectorialis Gleser, Dolmatova & Lupikina, 1986 (uncertain, unassessed)
  » Species Coscinodiscus sellatus Jousé, 1973 (uncertain, unassessed)
  » Species Coscinodiscus semilunaris Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus semipennatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus septentrionalis Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus seriatus Shirshov, 1937 (uncertain, unassessed)
  » Species Coscinodiscus sexradiatus Jousé, 1951 (uncertain, unassessed)
  » Species Coscinodiscus shantouensis Kuo, 1976 (uncertain, unassessed)
  » Species Coscinodiscus sheshukovaensis Hajós, 1973 (uncertain, unassessed)
  » Species Coscinodiscus sibericus Sheremissinova, 1968 (uncertain, unassessed)
  » Species Coscinodiscus sibiricus Strelnikova, 1971 (uncertain, unassessed)
  » Species Coscinodiscus signatus A.Mann, 1937 (uncertain, unassessed)
  » Species Coscinodiscus simbirskianus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus similis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus simonis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus sinensis O'Meara, 1879 (uncertain, unassessed)
  » Species Coscinodiscus sinicus Skvortzow, 1946 (uncertain, unassessed)
  » Species Coscinodiscus smithii O'Meara, 1876 (uncertain, unassessed)
  » Species Coscinodiscus sol C.G.Wallich, 1860 (uncertain, unassessed)
    » Variety Coscinodiscus sol var. punctifera Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus solidus Strelnikova, 1971 (uncertain, unassessed)
  » Species Coscinodiscus solitarius Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus soloensis Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus sparsus Harwood, 1988 (uncertain, unassessed)
  » Species Coscinodiscus spinosus Chin, 1965 (uncertain, unassessed)
  » Species Coscinodiscus spinulosus Ehrenberg, 1845 (uncertain, unassessed)
  » Species Coscinodiscus spiralis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus spiralis Hajós, 1976 † (uncertain, unassessed)
  » Species Coscinodiscus spiraliterpunctatus Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus spiroides Gleser, Dolmatova & Lupikina, 1986 (uncertain, unassessed)
  » Species Coscinodiscus splendidulus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus splendidus Greville, 1865 (uncertain, unassessed)
  » Species Coscinodiscus stefaninii G. Frenguelli, 1933 (uncertain, unassessed)
  » Species Coscinodiscus steinyi Hanna, 1927 (uncertain, unassessed)
  » Species Coscinodiscus stellaris 'Ehrenberg' according to Mills, 1933 (uncertain, unassessed)
  » Species Coscinodiscus stellaris Tempère & Peragallo, 1912 (uncertain, unassessed)
    » Variety Coscinodiscus stellaris var. antarctica Frenguelli & Orlando, 1958 (uncertain, unassessed)
    » Variety Coscinodiscus stellaris var. novus Van Heurck, 1909 (uncertain, unassessed)
    » Variety Coscinodiscus stellaris var. schmidtii Frenguelli & Orlando, 1958 (uncertain, unassessed)
    » Variety Coscinodiscus stellaris var. stellaris Roper, 1858 (uncertain, unassessed)
  » Species Coscinodiscus stellatus Kitton, 1871 (uncertain, unassessed)
  » Species Coscinodiscus stelliger Grunow in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus stephanopyxioides Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus stockesianus Grunow in Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus stoschii A. Schmidt, 1889 (uncertain, unassessed)
  » Species Coscinodiscus striatus Kützing, 1844 (uncertain, unassessed)
  » Species Coscinodiscus subangulatus Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus subapiculatus Hanna in Hertlein, 1933 (uncertain, unassessed)
  » Species Coscinodiscus subareolatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus subaulacodiscoidalis Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus subbulliens E.G.Jörgensen, 1905 (uncertain, unassessed)
    » Variety Coscinodiscus subbulliens var. convexo-concavus Elenkin, 1914 (uncertain, unassessed)
  » Species Coscinodiscus subbulliens Ostenfeld, 1910 (uncertain, unassessed)
  » Species Coscinodiscus subdivisus Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus suberbus (uncertain, unassessed)
  » Species Coscinodiscus subfasciculatus Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus sublineatus Grunow, 1884 (uncertain, unassessed)
    » Forma Coscinodiscus sublineatus f. minor Frenguelli, 1930 (uncertain, unassessed)
  » Species Coscinodiscus subnitidus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus suboculatus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus subsalsus Juhlin-Dannfelt, 1882 (uncertain, unassessed)
  » Species Coscinodiscus subtabulatus Cleve-Euler, 1951 (uncertain, unassessed)
  » Species Coscinodiscus subtilis Ehrenberg, 1841 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. normanii (Gregory ex Greville) Van Heurck, 1885
    » Forma Coscinodiscus subtilis f. glacialis (Grunow) A.P. Jousé in Proschkina-Lavrenko (ed.), 1949 represented as Coscinodiscus subtilis var. glacialis Grunow, 1884
    » Forma Coscinodiscus subtilis f. rothii (Ehrenberg) Van Heurck, 1885 represented as Heterostephania rothii var. rothii Ehrenberg, 1854
    » Forma Coscinodiscus subtilis f. siberica (Grunow) Cleve-Euler, 1951 represented as Coscinodiscus subtilis var. siberica Grunow, 1884
    » Variety Coscinodiscus subtilis var. glacialis Grunow, 1884
    » Variety Coscinodiscus subtilis var. normannii (Gregory) Van Heurck, 1885 represented as Coscinodiscus normanii Gregory ex Greville, 1859
    » Variety Coscinodiscus subtilis var. spinulosus (A. Cleve) Proschkina-Lavrenko represented as Coscinodiscus subtilis f. spinulosus Cleve-Euler, 1942
    » Forma Coscinodiscus subtilis f. genuinus Cleve-Euler, 1942 (uncertain, unassessed)
    » Forma Coscinodiscus subtilis f. grunowii Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Coscinodiscus subtilis f. inermis Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Coscinodiscus subtilis f. major Cleve-Euler, 1915 (uncertain, unassessed)
    » Forma Coscinodiscus subtilis f. minor Grunow in Van Heurck (uncertain, unassessed)
    » Forma Coscinodiscus subtilis f. spinulosus Cleve-Euler, 1942 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. excentrica Peragallo & Peragallo, 1908 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. fluviatilis Lemmermann, 1898 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. lineolata Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. minorus Guo, 1981 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. odontophorus Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. radiatus Hohn, 1952 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. scabra Rattray, 1890 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. siberica Grunow, 1884 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. sibericus Grunow in Cleve & Grunow, 1880 (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. subtilis Grunow (uncertain, unassessed)
    » Variety Coscinodiscus subtilis var. subtilis Ehrenberg, 1843 (uncertain, unassessed)
  » Species Coscinodiscus subtilis O'Meara in litt. in Rattray (uncertain, unassessed)
  » Species Coscinodiscus subtilis Neupauer, 1867 (uncertain, unassessed)
  » Species Coscinodiscus subtilis Eulenstein, 1868 (uncertain, unassessed)
  » Species Coscinodiscus subtilis Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus subtilis Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus subtilissimus Ehrenberg, 1861 (uncertain, unassessed)
  » Species Coscinodiscus subtilissimus Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus subvelatus Grunow in Schmidt et al., 1881 (uncertain, unassessed)
    » Variety Coscinodiscus subvelatus var. herculus Brun, 1891 (uncertain, unassessed)
  » Species Coscinodiscus succinctus Scheschukova-Poretskaya & Gleser, 1964 (uncertain, unassessed)
  » Species Coscinodiscus suspectus Janisch in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus symbolophoroides Frenguelli, 1928 (uncertain, unassessed)
  » Species Coscinodiscus symmetricus Kitton, Weissflog in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus szabói Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus szontághii Pantocsek, 1886 (uncertain, unassessed)
  » Species Coscinodiscus tabulatus Tempere & Brun in Schmidt, 1891 (uncertain, unassessed)
  » Species Coscinodiscus temperei Brun in Brun & Tempère, 1889 (uncertain, unassessed)
    » Variety Coscinodiscus temperei var. aspinosa Schrader, 1973 (uncertain, unassessed)
    » Variety Coscinodiscus temperei var. delicata Barron, 1981 (uncertain, unassessed)
    » Variety Coscinodiscus temperei var. temperei Brun in Brun & Tempere emend Barron, 1981 (uncertain, unassessed)
  » Species Coscinodiscus tenellus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Coscinodiscus tener Rubina, 1967 (uncertain, unassessed)
  » Species Coscinodiscus tenerrimus Jousé, 1973 (uncertain, unassessed)
  » Species Coscinodiscus tenerrimus Ehrenberg, 1872 (uncertain, unassessed)
  » Species Coscinodiscus tenuis J.W. Bailey in L.W. Bailey, 1861 (uncertain, unassessed)
  » Species Coscinodiscus tenuisculptus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus tenuithecus Kuo, 1976 (uncertain, unassessed)
  » Species Coscinodiscus theskelos Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus theta Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus thorii Pavillard, 1925 (uncertain, unassessed)
  » Species Coscinodiscus thumii Cleve, 1885 (uncertain, unassessed)
  » Species Coscinodiscus transversalis Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus transylvanicus Pantocsek, 1892 (uncertain, unassessed)
  » Species Coscinodiscus trapeziformis N.V.Rubina, 1967 † (uncertain, unassessed)
    » Variety Coscinodiscus trapeziformis var. grandis Rubina, 1976 (uncertain, unassessed)
  » Species Coscinodiscus travertinorum Rochoux d'Aubert in Héribaud et al., 1920 (uncertain, unassessed)
  » Species Coscinodiscus trigonus Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus trioculatus F.J.R.Taylor, 1966 (uncertain, unassessed)
  » Species Coscinodiscus trochiskos Truan y Luard & Witt, 1888 (uncertain, unassessed)
  » Species Coscinodiscus trompii Cleve, 1900 (uncertain, unassessed)
  » Species Coscinodiscus tubifex Jurilj, 1957 (uncertain, unassessed)
  » Species Coscinodiscus tubiformis Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Coscinodiscus tumulus Brun, 1895 (uncertain, unassessed)
  » Species Coscinodiscus turgidulus Ralfs (uncertain, unassessed)
  » Species Coscinodiscus turgidus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus turgidus Janisch in Cleve & Moller, 1879 (uncertain, unassessed)
  » Species Coscinodiscus umbonatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus umbonatus Gregory, 1857 (uncertain, unassessed)
  » Species Coscinodiscus undulans Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus undulatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus undulatus Cleve, 1881 (uncertain, unassessed)
  » Species Coscinodiscus uralensis Jousé in Proschkina-Lavrenko, 1949 (uncertain, unassessed)
  » Species Coscinodiscus vacuus Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus valdiviae Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus variabilis Frenguelli, 1928 (uncertain, unassessed)
  » Species Coscinodiscus variolatus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus varius Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus velatus Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus velatus Ehrenberg, 1844 (uncertain, unassessed)
  » Species Coscinodiscus venulosus Castracane, 1886 (uncertain, unassessed)
  » Species Coscinodiscus verecundus A.Mann, 1907 (uncertain, unassessed)
  » Species Coscinodiscus versicolor Brun (uncertain, unassessed)
  » Species Coscinodiscus vesiculosus Brun, 1894 (uncertain, unassessed)
  » Species Coscinodiscus vestustissimus (uncertain, unassessed)
    » Variety Coscinodiscus vestustissimus var. javanica Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus vetustissimus Pantocsek (uncertain, unassessed)
  » Species Coscinodiscus vicinus Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus victoriae Karsten, 1905 (uncertain, unassessed)
  » Species Coscinodiscus vidovichi Müller-Melchers, 1953 (uncertain, unassessed)
  » Species Coscinodiscus vigilans Schmidt in Schmidt et al., 1888 (uncertain, unassessed)
  » Species Coscinodiscus volutus Baldauf in Baldauf & Barron, 1982 (uncertain, unassessed)
  » Species Coscinodiscus vulgaris Schumann, 1867 (uncertain, unassessed)
  » Species Coscinodiscus vulnificus Gombos, 1976 (uncertain, unassessed)
  » Species Coscinodiscus wailesii Gran & Angst, 1931 (uncertain, unassessed)
  » Species Coscinodiscus wakuraensis Ichikawa, 1960 (uncertain, unassessed)
  » Species Coscinodiscus wallichianus Grunow in Cleve & Möller, 1879 (uncertain, unassessed)
  » Species Coscinodiscus weissflogianus Pantocsek, 1903 (uncertain, unassessed)
  » Species Coscinodiscus weissflogii A. Schmidt in Schmidt et al., 1874 (uncertain, unassessed)
  » Species Coscinodiscus weissflogii Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus werffi Reinhold, 1937 (uncertain, unassessed)
  » Species Coscinodiscus wernecki Ehrenberg, 1840 (uncertain, unassessed)
  » Species Coscinodiscus weyprechtii Grunow, 1884 (uncertain, unassessed)
  » Species Coscinodiscus whampoensis Grove manuscript in Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus wittianus Pantocsek, 1889 (uncertain, unassessed)
  » Species Coscinodiscus woodwardi Schmidt in Schmidt et al., 1878 (uncertain, unassessed)
  » Species Coscinodiscus woodwardii Eulenstein, 1878 (uncertain, unassessed)
  » Species Coscinodiscus yabei Kanaya, 1959 (uncertain, unassessed)
    » Variety Coscinodiscus yabei var. ellipticus Barron, 1985 (uncertain, unassessed)
  » Species Coscinodiscus zapalowiczii Pantocsek, 1909 (uncertain, unassessed)
  » Species Coscinodiscus zebuensis Grunow manuscript, Rattray, 1890 (uncertain, unassessed)
  » Species Coscinodiscus zeta Karsten, 1907 (uncertain, unassessed)
  » Species Coscinodiscus zonulatus Rattray, 1890 (uncertain, unassessed)
Genus Craspedodiscus C.G. Ehrenberg, 1844 †
  » Species Craspedodiscus coscinodiscus (Ehrenberg) Ehrenberg, 1844 †
    » Variety Craspedodiscus coscinodiscus var. coscinodiscus (Ehrenberg) Ehrenberg, 1844 represented as Pyxidicula coscinodiscus Ehrenberg, 1844
    » Variety Craspedodiscus coscinodiscus var. nankoorensis (Grunow in Schmidt et al.) Tempère & Peragallo, 1889-1895 represented as Craspedodiscus nankoorensis Grunow in Schmidt et al., 1881
    » Variety Craspedodiscus coscinodiscus var. apiculatus Tempère & Peragallo, 1912 (uncertain, unassessed)
    » Variety Craspedodiscus coscinodiscus var. asteroides Forti in Tempère & Peragallo, 1914 (uncertain, unassessed)
    » Variety Craspedodiscus coscinodiscus var. hispanicus Tempère & Peragallo, 1912 (uncertain, unassessed)
    » Variety Craspedodiscus coscinodiscus var. nankoorensis Grunow in A. Schmidt, 1881 (uncertain, unassessed)
  » Species Craspedodiscus actinochilus (Ehrenberg) Ehrenberg, 1872 represented as Coscinodiscus actinochilus Ehrenberg, 1844
  » Species Craspedodiscus isoporus (Ehrenberg) Wolle, 1890 represented as Coscinodiscus isoporus Ehrenberg, 1854
  » Species Craspedodiscus oblongus (Greville) Grunow † represented as Coscinodiscus oblongus f. oblongus Greville, 1866
  » Species Craspedodiscus robustus (Greville) Pelletan, 1889 † represented as Coscinodiscus robustus f. robustus Greville, 1866
  » Species Craspedodiscus splendidus (Greville) Gombos, 1982 † represented as Porodiscus splendidus var. splendidus Greville, 1865
  » Species Craspedodiscus araucaniae Ehrenberg, 1854 (uncertain, unassessed)
  » Species Craspedodiscus barbadensis Ralfs in Pritchard, 1861 (uncertain, unassessed)
  » Species Craspedodiscus barronii Bukry, 1984 (uncertain, unassessed)
  » Species Craspedodiscus coronatus Brightwell, 1860 † (uncertain, unassessed)
  » Species Craspedodiscus coscinodiscus Brightwell, 1860 (uncertain, unassessed)
  » Species Craspedodiscus discoplea Ehrenberg, 1872 (uncertain, unassessed)
  » Species Craspedodiscus elegans Ehrenberg, 1844 † (uncertain, unassessed)
    » Variety Craspedodiscus elegans var. asymmetricus Fourtanier, 1991 (uncertain, unassessed)
  » Species Craspedodiscus elegans O'Meara, 1877 (uncertain, unassessed)
  » Species Craspedodiscus ellipticus (Greville) Gombos † (uncertain, unassessed)
  » Species Craspedodiscus fasciculatus Okuno, 1970 (uncertain, unassessed)
  » Species Craspedodiscus febigeri O'Meara, 1878 (uncertain, unassessed)
  » Species Craspedodiscus franklinii Ehrenberg, 1853 (uncertain, unassessed)
  » Species Craspedodiscus incurvus Forti & Schulz, 1932 (uncertain, unassessed)
  » Species Craspedodiscus insignis Schmidt in Schmidt et al., 1881 (uncertain, unassessed)
  » Species Craspedodiscus klavsenii Gründler in Schmidt et al., 1893 (uncertain, unassessed)
  » Species Craspedodiscus marginatus Brightwell, 1860 (uncertain, unassessed)
  » Species Craspedodiscus marylandicus O'Meara, 1877 (uncertain, unassessed)
  » Species Craspedodiscus mesotylus Barker & Meakin, 1948 (uncertain, unassessed)
  » Species Craspedodiscus microdiscus Ehrenberg, 1854 † (uncertain, unassessed)
  » Species Craspedodiscus minor Cleve-Euler in Cleve-Euler & Hessland, 1948 (uncertain, unassessed)
  » Species Craspedodiscus minutus Kufferath, 1956 (uncertain, unassessed)
  » Species Craspedodiscus moelleri (uncertain, unassessed)
  » Species Craspedodiscus morenoensis Long, Fuge & Smith, 1946 † (uncertain, unassessed)
  » Species Craspedodiscus nankoorensis Grunow in Schmidt et al., 1881 (uncertain, unassessed)
  » Species Craspedodiscus nicobaricus Ehrenberg, 1854 (uncertain, unassessed)
  » Species Craspedodiscus ovalis Grunow in Schmidt et al., 1881 (uncertain, unassessed)
  » Species Craspedodiscus radiatus Weisse, 1867 (uncertain, unassessed)
  » Species Craspedodiscus rhombicus Grunow in Schmidt et al., 1881 (uncertain, unassessed)
  » Species Craspedodiscus rydei Barron, 1983 (uncertain, unassessed)
  » Species Craspedodiscus semiplanus Brightwell, 1860 (uncertain, unassessed)
  » Species Craspedodiscus stella Ehrenberg, 1854 (uncertain, unassessed)
  » Species Craspedodiscus subtilis 'Ehrenberg Mikr. p. 12' according to Mills, 1933 (uncertain, unassessed)
  » Species Craspedodiscus turgidus Ehrenberg, 1853 (uncertain, unassessed)
  » Species Craspedodiscus umbonatus Greville, 1866 (uncertain, unassessed)
  » Species Craspedodiscus undulatus Gombos, 1982 † (uncertain, unassessed)
  » Species Craspedodiscus weissflogii Pantocsek, 1892 (uncertain, unassessed)
Genus Palmeria R.K. Greville, 1865
  » Species Palmeria capillaris (J.Brown) Forti represented as Euodia capillaris Brun, 1891
  » Species Palmeria hardmaniana Greville, 1865 accepted as Palmerina hardmaniana (Greville) G.R.Hasle, 1996 (synonym)
  » Species Palmeria hardmanniana Greville, 1865 (uncertain, unassessed)
  » Species Palmeria ostenfeldii von Stosch (uncertain, unassessed)
  » Species Palmeria vulgae Kitton (uncertain, unassessed)
Genus Palmerina G.R. Hasle, 1995
Genus Spumorbis S. Komura, 1998 †
  » Species Spumorbis annulifer Komura, 1998 † (uncertain, unassessed)
  » Species Spumorbis fasciculatus Komura, 1998 † (uncertain, unassessed)
  » Species Spumorbis tenuispumosus Komura, 1998 † (uncertain, unassessed)
Genus Stellarima G.R. Hasle & P.A. Sims, 1986
  » Species Stellarima maccollumii (Harwood & T. Maruyama) Gogorev, 2018
  » Species Stellarima distincta (Long, Fuge & Smith) Hasle & Sims, 1986 represented as Coscinodiscus distinctus Long, Fuge & Smith, 1946
  » Species Stellarima microtrias (Ehrenberg) G.R.Hasle & P.A.Sims, 1986 represented as Symbolophora microtrias Ehrenberg, 1844
  » Species Stellarima primalabiata (Gombos) Hasle & Sims, 1986 represented as Thalassiosira primalabiata Gombos in Gombos & Ciesielski, 1983
    » Variety Stellarima primalabiata var. minor Fenner, 1994 (uncertain, unassessed)
  » Species Stellarima steinyi (Hanna) Hasle & Sims, 1986 represented as Coscinodiscus steinyi Hanna, 1927
  » Species Stellarima stellaris (Roper) G.R.Hasle & P.A.Sims, 1986 represented as Coscinodiscus stellaris var. stellaris Roper, 1858
Genus Stoschia C. Janisch ex Grunow in H. Van Heurck, 1883 †
  » Species Stoschia reniformis (Castracane; Rattray) Heiden & Kolbe, 1928 represented as Coscinodiscus reniformis Castracane, 1886
  » Species Stoschia admirabilis Janisch, 1888 (uncertain, unassessed)
  » Species Stoschia mirabilis Janisch ex Grunow † (uncertain, unassessed)
  » Species Stoschia paleacea Grunow in Van Heurck, 1883 † (uncertain, unassessed)
  » Species Stoschia punctata Grove & Sturt, 1887 (uncertain, unassessed)
marine
Not documented
Kociolek, J.P.; Blanco, S.; Coste, M.; Ector, L.; Liu, Y.; Karthick, B.; Kulikovskiy, M.; Lundholm, N.; Ludwig, T.; Potapova, M.; Rimet, F.; Sabbe, K.; Sala, S.; Sar, E.; Taylor, J.; Van de Vijver, B.; Wetzel, C.E.; Williams, D.M.; Witkowski, A.; Witkowski, J. (2020). DiatomBase. Coscinodiscaceae Kützing, 1844. Accessed at: http://www.diatombase.org/aphia.php?p=taxdetails&id=148916 on 2020-09-25
Date
action
by
2005-03-30 08:52:46Z
created
db_admin

basis of record Round, F.E.; Crawford, R.M.; Mann, D.G. (1990). The diatoms: biology and morphology of the genera. Cambridge University Press: London, UK. ISBN 0-521-363187. 747 pp. (look up in IMIS[details]   
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
LanguageName 
Japanese コスキノディスクス科  [details]
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