Calyptrella robusta (G.Norman ex Ralfs) D.U.Hernández-Becerril & M.E.Meave del Castillo, 1996 accepted as Rhizosolenia robusta var. robusta Norman ex Ralfs in Pritchard, 1861
Dactyliosolen alternans Hensen, 1911 (uncertain > unassessed )
Dactyliosolen antarcticus Castracane, 1886 (uncertain > unassessed )
Dactyliosolen antarcticus f. borealis (Karsten) Hendey, 1937 accepted as Dactyliosolen borealis Karsten, 1905
Dactyliosolen antarcticus f. laevis (Karsten) Heiden accepted as Dactyliosolen laevis Karsten, 1905
Dactyliosolen antarcticus f. typica Heiden & Kolbe, 1928 (uncertain > unassessed )
Dactyliosolen antarcticus var. curvatus Hasle, 1960 (uncertain > unassessed )
Dactyliosolen antarcticus var. tenuis Cleve, 1897 (uncertain > unassessed )
Dactyliosolen antarcticus var. typica Heiden & Kolbe, 1928 (uncertain > unassessed )
Dactyliosolen areolatus Heiden (uncertain > unassessed )
Dactyliosolen bergonii H. Peragallo, 1892 (uncertain > unassessed )
Dactyliosolen blavyanus (H.Peragallo) Hasle, 1975 accepted as Guinardia blavyana var. blavyana H. Peragallo, 1892
Dactyliosolen borealis Karsten, 1905 (uncertain > unassessed )
Dactyliosolen curvatus Hasle, 1960 (uncertain > unassessed )
Dactyliosolen flexuosus Manguin, 1915 (uncertain > unassessed )
Dactyliosolen fragilissimus (Bergon) Hasle, 1996 accepted as Rhizosolenia fragilissima f. fragilissima Bergon, 1903
Dactyliosolen hendeyi Thorrington-Smith, 1970 (uncertain > unassessed )
Dactyliosolen hyalinus Cleve, 1900 (uncertain > unassessed )
Dactyliosolen laevis Karsten, 1905 (uncertain > unassessed )
Dactyliosolen mediterraneus (Peragallo) Peragallo, 1892 accepted as Lauderia mediterranea H.Peragallo, 1888
Dactyliosolen mediterraneus var. tenuis Cleve, 1897 (uncertain > unassessed )
Dactyliosolen meleagris Karsten, 1906 (uncertain > unassessed )
Dactyliosolen phuketensis (B.G.Sundström) G.R.Hasle, 1996 accepted as Rhizosolenia phuketensis B.G.Sundström, 1980
Dactyliosolen porosum Hensen, 1911 (uncertain > unassessed )
Dactyliosolen priscus Forti & Schulz, 1932 (uncertain > unassessed )
Dactyliosolen robustum Hensen, 1911 (uncertain > unassessed )
Dactyliosolen tenuijunctus (Manguin) Hasle, 1975 accepted as Rhizosolenia tenuijuncta Manguin, 1960
Dactyliosolen tenuis (Cleve) Gran, 1902 accepted as Dactyliosolen mediterraneus var. tenuis Cleve, 1897
Dactyliosolen voigtii Manguin, 1960 (uncertain > unassessed )
Gladius antarcticus Harwood, 1988 † (uncertain > unassessed )
Gladius antarcticus f. alta Harwood, 1988 (uncertain > unassessed )
Gladius antiquus Forti & Schulz, 1932 † (uncertain > unassessed )
Gladius antiquus var. nodosus Gersonde & Harwood, 1990 (uncertain > unassessed )
Gladius antiquus var. tenuis Gersonde & Harwood, 1990 (uncertain > unassessed )
Gladius clavatus Jousé, 1951 † (uncertain > unassessed )
Gladius hispidus Jousé, 1955 † (uncertain > unassessed )
Gladius jouseanus Hajós, 1974 † (uncertain > unassessed )
Gladius maximus Hajós, 1974 † (uncertain > unassessed )
Gladius pacificus M.Hajós & H.Stradner, 1975 † (uncertain > unassessed )
Gladius pacificus f. minor Hajós, 1974 (uncertain > unassessed )
Gladius perfectus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius pistilliformis Jousé, 1955 † (uncertain > unassessed )
Gladius rhizophorus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius schulzii Jousé, 1955 † (uncertain > unassessed )
Gladius speciosus P.Schulz, 1935 † (uncertain > unassessed )
Gladius speciosus f. aculeolatus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius speciosus f. ellipsoideus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius speciosus f. poratus (Strelnikova) Strelnikova, 1974 (uncertain > unassessed )
Gladius trispinosus Gersonde & Harwood, 1990 † (uncertain > unassessed )
Gladius trispinosus var. tenuis Gersonde & Harwood, 1990 (uncertain > unassessed )
Guinardia baltica Schütt, 1896 (uncertain > unassessed )
Guinardia blavyana H.Peragallo, 1892 accepted as Dactyliosolen blavyanus (H.Peragallo) Hasle, 1975 accepted as Guinardia blavyana var. blavyana H. Peragallo, 1892
Guinardia blavyana var. blavyana H. Peragallo, 1892 (uncertain > unassessed )
Guinardia blavyana var. conspicua H. Peragallo, 1892 (uncertain > unassessed )
Guinardia corona Hensen, 1911 (uncertain > unassessed )
Guinardia cylindrus (Cleve) Hasle, 1996 accepted as Rhizosolenia cylindrus Cleve, 1897
Guinardia delicatula (Cleve) Hasle, 1997 accepted as Rhizosolenia delicatula Cleve, 1900
Guinardia dubia Hensen, 1911 (uncertain > unassessed )
Guinardia elongata Lemmermann, 1899 (uncertain > unassessed )
Guinardia flaccida (Castracane) H.Peragallo, 1892 accepted as Rhizosolenia flaccida Castracane, 1886
Guinardia magna Hensen, 1911 (uncertain > unassessed )
Guinardia pungens Cleve-Euler
Guinardia pyxilloides Hensen, 1911 (uncertain > unassessed )
Guinardia stephanos (Hensen) F.W. Mills, 1934 accepted as Pyxilla stephanos Hensen, 1887
Guinardia stephanos (Hensen) Hensen, 1895 (uncertain > unassessed )
Guinardia striata (Stolterfoth) Hasle, 1996 accepted as Eucampia striata Stolterfoth, 1879
Guinardia striata Hensen, 1911 (uncertain > unassessed )
Guinardia tubiformis (G.R.Hasle) Hasle, 1996 accepted as Rhizosolenia tubiformis G.R.Hasle, 1975
Guinardia victoriae Karsten, 1905 (uncertain > unassessed )
Gyrodiscus hillabyanus Wise, 1956 † (uncertain > unassessed )
Gyrodiscus hungaricus Pantocsek, 1889 † (uncertain > unassessed )
Gyrodiscus intricatus Barker & Meakin, 1946 † (uncertain > unassessed )
Gyrodiscus kamichevensis Meister, 1937 † (uncertain > unassessed )
Gyrodiscus nona Arkhangelskii, 1953 † (uncertain > unassessed )
Gyrodiscus radiosus Barker & Meakin, 1946 † (uncertain > unassessed )
Gyrodiscus vortex Witt, 1885 † (uncertain > unassessed )
Mastogonia actinocyclus Ehrenberg, 1855 (uncertain > unassessed )
Mastogonia actinoptychus (Ehrenberg) Ehrenberg, 1845 (1845) accepted as Pyxidicula actinoptychus Ehrenberg, 1844
Mastogonia biaculeata Cleve-Euler, 1951 (uncertain > unassessed )
Mastogonia crux Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia discoplea Ehrenberg, 1849 (uncertain > unassessed )
Mastogonia heptagonae Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia hexagona Ehrenberg, 1845 (uncertain > unassessed )
Mastogonia ocella Chin & Cheng, 1984 (uncertain > unassessed )
Mastogonia oculuschamaeleontis (Ehrenberg) Ehrenberg, 1844 (1845) accepted as Pyxidicula oculuschamaeleontis Ehrenberg, 1844
Mastogonia pentagona Jurilj, 1957 (uncertain > unassessed )
Mastogonia praetexta (Ehrenberg) Ehrenberg, 1854 accepted as Pyxidicula praetexta Ehrenberg, 1844
Mastogonia quinaria Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia rota Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia sexangula Ehrenberg, 1844 (1845) (uncertain > unassessed )
Mastogonia simbirskiana Pantocsek, 1889 (uncertain > unassessed )
Neocalyptrella robusta (G.Norman ex Ralfs) Hernández-Becerril & Meave del Castillo, 1997 accepted as Rhizosolenia robusta var. robusta Norman ex Ralfs in Pritchard, 1861
Proboscia alata (Brightwell) Sundström, 1986 (uncertain > unassessed )
Proboscia alata f. alata (Brightwell) Sündstrom, 1986
Proboscia alata f. gracillima (Brightwell) Sundström, 1896
Proboscia alata f. gracillima (Cleve) Gran (uncertain > unassessed )
Proboscia alata f. indica (H. Peragallo) Licea & Moreno in Moreno, Licea & Santoyo, 1996 accepted as Rhizosolenia indica H.Peragallo, 1892
Proboscia angustata R.W.Jordan & Saito, 1999 † (uncertain > unassessed )
Proboscia antiqua Jordan & Ito, 2002 (uncertain > unassessed )
Proboscia barboi (Brun) Jordan & Priddle, 1991 accepted as Pyxilla barboi (J.-J.Brun) J.-J.Brun