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DiatomBase taxon details

Fragilaria H.C. Lyngbye, 1819

149028  (urn:lsid:marinespecies.org:taxname:149028)

accepted
Genus
Falcatella L. Rabenhorst, 1853 · unaccepted (Synonym)

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  1. Species Fragilaria agnesiae Kahlert & Rimet, 2019
  2. Species Fragilaria alpestris Krasske ex Hustedt, 1931
  3. Species Fragilaria alternata Frenguelli, 1941
  4. Species Fragilaria amphicephaloides Lange-Bertalot, 2013
  5. Species Fragilaria amphiceros Ehrenberg
  6. Species Fragilaria aquaplus H.Lange-Bertalot & S.Ulrich, 2014
  7. Species Fragilaria austriaca (Grunow) Lange-Bertalot, 2000
  8. Species Fragilaria bahlsiana Van de Vijver, C.E.Wetzel et Ector in Van de Vijver et al., 2022
  9. Species Fragilaria bidens Heiberg, 1863
  10. Species Fragilaria billingsii Wengrat, C.E. Wetzel & E. Morales, 2016
  11. Species Fragilaria bituminosa Pantocsek
  12. Species Fragilaria boreomongolica Kulikovskiy, Lange-Bertalot, Witkowski & Dorofeyuk, 2010
  13. Species Fragilaria brevistriata Grunow, 1885
  14. Species Fragilaria campyla (Hilse) Van de Vijver, Kusber et D.M.Williams in Van de Vijver et al., 2022
  15. Species Fragilaria candidagilae Almeida, C. Delgado, Novais & S. Blanco in Delgado et al., 2015
  16. Species Fragilaria capucina Desmazières, 1830
  17. Species Fragilaria castracanei De Toni
  18. Species Fragilaria clevei Pantocsek
  19. Species Fragilaria confusa Van de Vijver, Tusset, D.M.Williams & Ector, 2020
  20. Species Fragilaria construens (Ehrenberg) Grunow, 1862
  21. Species Fragilaria crotonensis Kitton, 1869
  22. Species Fragilaria deformis (W.Sm.) Van de Vijver & Ector in Van de Vijver et al., 2020
  23. Species Fragilaria distans (Grunow) Bukhtiyarova, 1995
  24. Species Fragilaria fonticola Hustedt
  25. Species Fragilaria fragilarioides (Grunow) Cholnoky, 1963
  26. Species Fragilaria fusa (R.M. Patrick, 1941) Wengrat, C.E. Wetzel & E. Morales, 2016
  27. Species Fragilaria gloiophila (Grunow) Van de Vijver, Ector, T.M.Schuster & J.Walter, 2020
  28. Species Fragilaria goeyersiana Van de Vijver & Ector, 2020
  29. Species Fragilaria gracillima Mayer
  30. Species Fragilaria grunowii H.Lange-Bertalot & S.Ulrich, 2014
  31. Species Fragilaria hainanensis Zhang & Qi, 1994
  32. Species Fragilaria heatherae Kahlert & M. G. Kelly, 2019
  33. Species Fragilaria heideni Østrup
  34. Species Fragilaria hinganensis Skvortzov
  35. Species Fragilaria huebeneri A.Schwarz, K.J.Krahn et C.E.Wetzel in Krahn et al., 2021
  36. Species Fragilaria hyalina (Kützing) Grunow ex Van Heurck, 1880
  37. Species Fragilaria inflata (Heiden) Hustedt, 1931
  38. Species Fragilaria intermedia (Grunow) Grunow in Van Heurck, 1881
  39. Species Fragilaria islandica Grunow ex Van Heurck, 1881
  40. Species Fragilaria istvanffyi Pantocsek, 1902
  41. Species Fragilaria joachimii Kahlert, 2019
  42. Species Fragilaria lenoblei E.E.Manguin
  43. Species Fragilaria maarensis K.J.Krahn et C.E.Wetzel in Krahn et al., 2021
  44. Species Fragilaria metcalfeana Van de Vijver, D.M.Williams, Kusber et T.M.Schuster in Van de Vijver et al., 2022
  45. Species Fragilaria miocenica Z.Jousé
  46. Species Fragilaria misarelensis Almeida, C.Delgado, Novais & S. Blanco in Novais et al., 2019
  47. Species Fragilaria neointermedia Tuji et D.M.Williams
  48. Species Fragilaria neotropica P.D.Almeida, E.Morales & C.E.Wetzel in Almeida et al., 2016
  49. Species Fragilaria nevadensis J.E.Linares-Cuesta & P.M.Sánchez-Castillo, 2007
  50. Species Fragilaria nitida Héribaud-Joseph
  51. Species Fragilaria oblongata Drebes & Schultz
  52. Species Fragilaria ostenfeldii (Willi Krieg.) Van de Vijver, Alexson & Reavie in Van de Vijver et al., 2020
  53. Species Fragilaria pantocsekii Cleve-Euler, 1953
  54. Species Fragilaria pararumpens Lange-Bertalot, G. Hofmann & Werum, 2013
  55. Species Fragilaria parva (Grunow) A.Tuji & D.M.Williams, 2008
  56. Species Fragilaria patagonica (Cleve) De Toni, 1892
  57. Species Fragilaria pennsylvanica E.A.Morales, 2003
  58. Species Fragilaria perdelicatissima Lange-Bertalot & Van de Vijver in Lange-Bertalot & Ulrich, 2014
  59. Species Fragilaria perminuta (Grunow in Van Heurck) Lange-Bertalot in Krammer & Lange-Bertalot, 2000
  60. Species Fragilaria pliocena J.-J.Brun
  61. Species Fragilaria prolongata (Grunow) Van de Vijver, C.E.Wetzel, Kusber & Ector, 2020
  62. Species Fragilaria pseudofamiliaris Van de Vijver, T.M.Schuster, Kusber et D.M.Williams in Van de Vijver et al., 2022
  63. Species Fragilaria rhabdosoma Ehrenberg, 1832
  64. Species Fragilaria rinoi Almeida & C.Delgado, 2016
  65. Species Fragilaria rumpens (Kützing) G.W.F.Carlson, 1913
  66. Species Fragilaria salvadoriana K.J.Krahn et C.E.Wetzel in Krahn et al., 2021
  67. Species Fragilaria sandellii Van de Vijver & Jarlman in Van de Vijver et al., 2012
  68. Species Fragilaria saxoplanctonica H.Lange-Bertalot & S.Ulrich, 2014
  69. Species Fragilaria scotica (Grunow) Van de Vijver, C.E.Wetzel et Ector in Van de Vijver et al., 2022
  70. Species Fragilaria spectra P.D.Almeida, E.Morales & C.E.Wetzel in Almeida et al., 2016
  71. Species Fragilaria spinaspeciosa Lange-Bertalot & Cantonati in Cantonati et al., 2019
  72. Species Fragilaria strangulata (Zanon) Hustedt
  73. Species Fragilaria striatula Lyngbye, 1819
  74. Species Fragilaria tenera (W.Smith) Lange-Bertalot, 1980
  75. Species Fragilaria tenuicollis Heib., 1863
  76. Species Fragilaria tenuis Jurilj, 1957
  77. Species Fragilaria tenuissima H.Lange-Bertalot & S.Ulrich, 2014
  78. Species Fragilaria thornata L. Tan & B.H. Kim,
  79. Species Fragilaria thornata L.Tan & B.H.Kim in Tan et al., 2020
  80. Species Fragilaria tridentina Cantonati & Lange-Bertalot
  81. Species Fragilaria uliginosa Kulikovskiy, Lange-Bertalot, Witkowski & Dorofeyuk in Kulikovskiy et al., 2010
  82. Species Fragilaria vandevondeliana Van de Vijver & Ector, 2020
  83. Species Fragilaria vaucheriaeraetica Cantonati & Lange-Bertalot
  84. Species Fragilaria vitrea (Kützing) Grunow, 1878
  85. Species Fragilaria zafarii Sarode & Kamat, 1984
  86. Species Fragilaria zeilleri Héribaud-Joseph, 1903
  87. Species Fragilaria aequalis Heiberg, 1863 accepted as Fragilariforma virescens (Ralfs) D.M.Williams & Round, 1988 (synonym)
  88. Species Fragilaria antarctica Castracane, 1886 accepted as Fragilariopsis kerguelensis (O'Meara) Hustedt, 1952 accepted as Terebraria kerguelensis E.O'Meara, 1876 †
  89. Species Fragilaria antarctica van Heurck, 1909 accepted as Fragilariopsis obliquecostata (van Heurck) Heiden, 1928 (synonym)
  90. Species Fragilaria arctica Grunow, 1880 accepted as Fragilariopsis oceanica (Cleve) Hasle, 1965 accepted as Fragilaria oceanica f. oceanica Cleve, 1873
  91. Species Fragilaria bicapitata Mayer, 1917 accepted as Fragilariforma bicapitata (Mayer) D.M.Williams & Round, 1988 accepted as Fragilaria bicapitata f. bicapitata Mayer, 1916 (1917) (synonym)
  92. Species Fragilaria biceps (Kützing) Lange-Bertalot, 1991 accepted as Ulnaria biceps (Kützing) P.Compère, 2001 accepted as Synedra biceps f. biceps Kützing, 1844 (synonym)
  93. Species Fragilaria elliptica Schumann, 1867 accepted as Pseudostaurosira elliptica (Schumann) Edlund, Morales & Spaulding, 2006 accepted as Fragilaria elliptica f. elliptica Schumann, 1867 (synonym)
  94. Species Fragilaria exigua (W.Smith) Lemmermann, 1908 accepted as Staurosira construens var. exigua (W.Smith) H.Kobayasi, 2002 accepted as Triceratium exiguum W.Smith, 1856 (synonym)
  95. Species Fragilaria harrisonii (W.Smith) Grunow, 1862 accepted as Staurosirella leptostauron (Ehrenberg) D.M.Williams & Round, 1987 accepted as Biblarium leptostauron Ehrenberg, 1854 (synonym)
  96. Species Fragilaria intermedia Grunow, 1881 accepted as Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot, 1980 accepted as Exilaria vaucheriae Kützing, 1833 (synonym)
  97. Species Fragilaria karelica Mölder, 1951 accepted as Aulacoseira karelica (Mölder) Simonsen, 1979 accepted as Melosira karelica Mölder, 1951 (synonym)
  98. Species Fragilaria lapponica Grunow, 1881 accepted as Staurosirella lapponica (Grunow) D.M.Williams & Round, 1987 accepted as Fragilaria lapponica f. lapponica Grunow in Van Heurck, 1881 (Basionym)
  99. Species Fragilaria leptostauron (Ehrenberg) Hustedt, 1931 accepted as Staurosirella leptostauron (Ehrenberg) D.M.Williams & Round, 1987 accepted as Biblarium leptostauron Ehrenberg, 1854 (Synonym)
  100. Species Fragilaria linearis Castracane, 1886 accepted as Fragilariopsis linearis (Castracane) Frenguelli, 1943 accepted as Fragilaria linearis f. linearis Castracane, 1886 (synonym)
  101. Species Fragilaria longirostris Frenguelli, 1941 accepted as Staurosira longirostris (Frenguelli) Metzeltin, Lange-Bertalot & García-Rodríguez
  102. Species Fragilaria microrhombus Cholnoky, 1970 accepted as Navicula microrhombus (Cholnoky) Schoeman & Archibald, 1977 (Transfered to Navicula)
  103. Species Fragilaria mutabilis (W.Smith) Grunow, 1862 accepted as Staurosirella pinnata var. intercedens (Grunow) P.B.Hamilton, 1994 accepted as Fragilaria mutabilis var. intercedens Grunow, 1881 (synonym)
  104. Species Fragilaria nevadensis K.E. Lohman, 1957 (unaccepted > interim unpublished, invalid; never published.)
  105. Species Fragilaria nitzschioides Grunow, 1881 accepted as
  106. Species Fragilaria obliquecostata van Heurck, 1909 accepted as Fragilariopsis obliquecostata (van Heurck) Heiden, 1928 (synonym)
  107. Species Fragilaria oceanica Cleve, 1873 accepted as Fragilariopsis oceanica (Cleve) Hasle, 1965 accepted as Fragilaria oceanica f. oceanica Cleve, 1873 (basionym)
  108. Species Fragilaria pacifica Grunow, 1862 accepted as Opephora pacifica (Grunow) Petit, 1888 (synonym)
  109. Species Fragilaria parasitica (W.Smith) Grunow, 1881 accepted as Pseudostaurosira parasitica (W.Smith) Morales, 2003 (synonym)
  110. Species Fragilaria polygonata Cleve-Euler, 1953 accepted as Fragilariforma polygonata (Cleve-Euler) Kingston, Sherwood & Bengtsson (synonym)
  111. Species Fragilaria producta (Lagerstedt) Grunow, 1881 accepted as Fragilariforma virescens (Ralfs) D.M.Williams & Round, 1988 (synonym)
  112. Species Fragilaria sigmoidea Swirenko, 1941 accepted as Nitzschia sigmoidea (Nitzsch) W.Smith, 1853 (unassessed)
  113. Species Fragilaria sublinearis van Heurck, 1909 accepted as Fragilariopsis obliquecostata (van Heurck) Heiden, 1928
  114. Species Fragilaria undata W.Smith, 1855 accepted as Fragilaria constricta f. stricta (A.Cleve) Hustedt, 1931 (synonym)
  115. Species Fragilaria ungeriana Grunow accepted as Ulnaria ungeriana (Grunow) P.Compère, 2001 accepted as Fragilaria ungeriana var. ungeriana Grunow in litteris, 1863 (synonym)
  116. Species Fragilaria vaucheriae (Kützing) J.B.Petersen, 1938 accepted as Fragilaria capucina var. vaucheriae (Kützing) Lange-Bertalot, 1980 accepted as Exilaria vaucheriae Kützing, 1833 (synonym)
  117. Species Fragilaria venter Ehrenberg, 1854 accepted as Staurosira venter (Ehrenberg) Cleve & Moeller, 1879 accepted as Fragilaria venter var. venter Ehrenberg, 1854 (synonym)
  118. Species Fragilaria virescens Ralfs, 1843 accepted as Fragilariforma virescens (Ralfs) D.M.Williams & Round, 1988 (basionym)
  119. Species Fragilaria acerba Cholnoky, 1966 (uncertain > unassessed)
  120. Species Fragilaria acidobiontica D.F.Charles, 1986 (uncertain > unassessed)
  121. Species Fragilaria acidoclinata Lange-Bertalot & G.Hofmann, 1993 (uncertain > unassessed)
  122. Species Fragilaria aconcinnum Estep & Remsen, 1983 (uncertain > unassessed)
  123. Species Fragilaria acus (Kützing) Lange-Bertalot in Krammer & Lange-Bertalot, 2000 (uncertain > unassessed)
  124. Species Fragilaria acuta Ehrenberg, 1840 (uncertain > unassessed)
  125. Species Fragilaria acuta auct. non Ehrenberg, 1917 (uncertain > unassessed)
  126. Species Fragilaria acuta sensu Mayer, 1916 (uncertain > unassessed)
  127. Species Fragilaria acutirhombica Metzeltin, Lange-Bertalot & Nergui, 2009 (uncertain > unassessed)
  128. Species Fragilaria acutirostrata Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  129. Species Fragilaria acutiuscula Pantocsek, 1902 (uncertain > unassessed)
  130. Species Fragilaria adamsii Cholnoky, 1964 (uncertain > unassessed)
  131. Species Fragilaria advena VanLandingham, 1971 (uncertain > unassessed)
  132. Species Fragilaria aethiopica G. S. West, 1907 (uncertain > unassessed)
  133. Species Fragilaria affinis Hofmann Bang, 1824 (uncertain > unassessed)
  134. Species Fragilaria africana Hustedt, 1949 (uncertain > unassessed)
  135. Species Fragilaria amicorum Witkowski & Lange-Bertalot, 1993 (uncertain > unassessed)
  136. Species Fragilaria amphicephala Ehrenberg, 1854 (uncertain > unassessed)
  137. Species Fragilaria amphilepta (Ehrenberg) Ralfs in Pritchard, 1861 (uncertain > unassessed)
  138. Species Fragilaria amphioxys Ehrenberg, 1854 (uncertain > unassessed)
  139. Species Fragilaria anceps Ehrenberg, 1843 (uncertain > unassessed)
  140. Species Fragilaria angusta Ehrenberg, 1838 (uncertain > unassessed)
  141. Species Fragilaria angustata Cleve & Grove, 1891 (uncertain > unassessed)
  142. Species Fragilaria annulata (Corda) Corda, 1840 accepted as Syrinx annulatum Corda, 1835 (uncertain > unassessed)
  143. Species Fragilaria anomala W. Smith (uncertain > unassessed)
  144. Species Fragilaria antarctica Schwarz ex Otto Muller, 1877 (uncertain > unassessed)
  145. Species Fragilaria araulensis Héribaud, 1908 (uncertain > unassessed)
  146. Species Fragilaria arctica (Grunow) M.Poulin, L.Bérard-Therriault & A.Cardinal, 1984 accepted as Synedra arctica Grunow, 1862 (uncertain > unassessed)
  147. Species Fragilaria arcuata Schumann, 1862 (uncertain > unassessed)
  148. Species Fragilaria arcus (Ehrenberg) Cleve, 1898 accepted as Eunotia arcus Ehrenberg, 1837 (uncertain > unassessed)
  149. Species Fragilaria asiatica Hustedt, 1922 (uncertain > unassessed)
  150. Species Fragilaria atomus Hustedt, 1931 (uncertain > unassessed)
  151. Species Fragilaria aurea Carmichael in Hooker, 1833 (uncertain > unassessed)
  152. Species Fragilaria aurivillii Cleve, 1901 (uncertain > unassessed)
  153. Species Fragilaria australis Ehrenberg, 1854 (uncertain > unassessed)
  154. Species Fragilaria bacillum Ehrenberg, 1844 (uncertain > unassessed)
  155. Species Fragilaria bacillum M. Peragallo in Héribaud et al., 1920 (uncertain > unassessed)
  156. Species Fragilaria baculus Østrup, 1918 (1920) (uncertain > unassessed)
  157. Species Fragilaria balatonis Pantocsek, 1902 (uncertain > unassessed)
  158. Species Fragilaria barbararum Witkowski, Metzeltin & Lange-Bertalot, 1996 (uncertain > unassessed)
  159. Species Fragilaria barbatula (Kützing) Lange-Bertalot, 1993 accepted as Tabularia barbatula (Kützing) D.M.Williams & Round, 1986 (uncertain > unassessed, homotypic synonym)
  160. Species Fragilaria berggrenii (Cleve) (uncertain > unassessed)
  161. Species Fragilaria berolinensis (Lemmermann) Lange-Bertalot, 1993 accepted as Synedra berolinensis var. berolinensis Lemmermann, 1900 (uncertain > unassessed)
  162. Species Fragilaria biceps (Kützing) Lange-Bertalot, 1993 accepted as Synedra biceps f. biceps Kützing, 1844 (uncertain > unassessed)
  163. Species Fragilaria biceps Ehrenberg, 1843 (uncertain > unassessed)
  164. Species Fragilaria biceps Pantocsek, 1902 (uncertain > unassessed)
  165. Species Fragilaria biconstricta (Rabenhorst) Schumann, 1867 (uncertain > unassessed)
  166. Species Fragilaria bigibba Héribaud, 1903 (uncertain > unassessed)
  167. Species Fragilaria binalis Ehrenberg, 1854 (uncertain > unassessed)
  168. Species Fragilaria binodis Ehrenberg, 1854 (uncertain > unassessed)
  169. Species Fragilaria binodis Pantocsek, 1902 (uncertain > unassessed)
  170. Species Fragilaria binodis auct. non Ehrenberg (uncertain > unassessed)
  171. Species Fragilaria bipunctata Ehrenberg, 1838 (uncertain > unassessed)
  172. Species Fragilaria bipunctata Rabenhorst, 1861-1879 (uncertain > unassessed)
  173. Species Fragilaria birostris Ehrenberg, 1844 (uncertain > unassessed)
  174. Species Fragilaria bivittata Pantocsek, 1892 (uncertain > unassessed)
  175. Species Fragilaria bongrainii M. Peragallo, 1921 (uncertain > unassessed)
  176. Species Fragilaria braunii Hustedt, 1952 accepted as Torgania braunii (Hustedt) L.G.C.Canani & D.M. Talgatti in Canani et al., 2020 (uncertain > unassessed, Homotypic Synonym)
  177. Species Fragilaria brevis Montagne, 1842 (uncertain > unassessed)
  178. Species Fragilaria bronkei A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000 accepted as Pseudostaurosira bronkei (Witkowski, Lange-Bert. & Metzeltin) C.E.Wetzel & E.Morales, 2019 (uncertain > unassessed)
  179. Species Fragilaria californica Grunow in Van Heurck, 1881 (uncertain > unassessed)
  180. Species Fragilaria calmelsi Lauby, 1910 (uncertain > unassessed)
  181. Species Fragilaria camtschatica (Grunow) Poulin, Berard-Therriault & Cardinal, 1984 accepted as Synedra camtschatica var. camtschatica Grunow, 1862 (uncertain > unassessed)
  182. Species Fragilaria canariensis Lange-Bertalot, 1993 (uncertain > unassessed)
  183. Species Fragilaria capensis Cholnoky, 1959 (uncertain > unassessed)
  184. Species Fragilaria capensis Karsten, 1905 (uncertain > unassessed)
  185. Species Fragilaria capensis Grunow, 1863 (uncertain > unassessed)
  186. Species Fragilaria capitata (Ehrenberg) Lange-Bertalot, 1980 accepted as Synedra capitata f. capitata Ehrenberg, 1836 (uncertain > unassessed)
  187. Species Fragilaria capitellata Lauby, 1910 (uncertain > unassessed)
  188. Species Fragilaria capitellata (Grunow) J.B.Petersen, 1946 accepted as Fragilaria recapitellata H. Lange-Bertalot & D. Metzeltin, 2009 (uncertain > unassessed, synonym)
  189. Species Fragilaria capucina (Kützing) Lange-Bertalot, 1993 accepted as Synedra amphicephala var. amphicephala Kützing, 1844 (uncertain > unassessed)
  190. Species Fragilaria capucina (Kützing) Lange-Bertalot, 1993 (uncertain > unassessed)
  191. Species Fragilaria capucina (Grunow) Lange-Bertalot, 1993 (uncertain > unassessed)
  192. Species Fragilaria capucina auct. non Desmazieres (uncertain > unassessed)
  193. Species Fragilaria carmichaelii Harvey, 1841 (uncertain > unassessed)
  194. Species Fragilaria carnea H.C.Lyngbye (uncertain > unassessed)
  195. Species Fragilaria cassubica Witkowski & Lange-Bertalot, 1993 (uncertain > unassessed)
  196. Species Fragilaria catena Ehrenberg, 1840 (uncertain > unassessed)
  197. Species Fragilaria cerealis Cholnoky, 1959 (uncertain > unassessed)
  198. Species Fragilaria charcotii M. Peragallo, 1921 (uncertain > unassessed)
  199. Species Fragilaria chilensis (Krasske) Lange-Bertalot in Lange-Bertalot, Kulbs, Lauser, Norpel-Schempp & Willmann, 1996 accepted as Ceratoneis chilensis Krasske, 1939 (uncertain > unassessed)
  200. Species Fragilaria circumnodosa Brun, 1901 (uncertain > unassessed)
  201. Species Fragilaria coccochroma Mereschkowsky, 1901 (uncertain > unassessed)
  202. Species Fragilaria coccochromatica Mereschkowsky, 1902 (uncertain > unassessed)
  203. Species Fragilaria cochabambina Morales, 2009 (uncertain > unassessed)
  204. Species Fragilaria confervacea Greville ex Hooker, 1833 (uncertain > unassessed)
  205. Species Fragilaria confervoides Greville, 1833 (uncertain > unassessed)
  206. Species Fragilaria constricta Ehrenberg, 1843 (uncertain > unassessed)
  207. Species Fragilaria constricta auct. non Ehrenberg (uncertain > unassessed)
  208. Species Fragilaria construens auct. non Ehrenberg (uncertain > unassessed)
  209. Species Fragilaria contracta Schumann, 1862 (uncertain > unassessed)
  210. Species Fragilaria convexa Tynni, 1982 (uncertain > unassessed)
  211. Species Fragilaria corrugata Kützing, 1844 (uncertain > unassessed)
  212. Species Fragilaria costata (Rehakova) Lange-Bertalot in Lange-Bertalot, Rumrich & Hofmann, 1991 (uncertain > unassessed)
  213. Species Fragilaria costata Meister, 1937 (uncertain > unassessed)
  214. Species Fragilaria costata M. Peragallo in Héribaud, 1903 (uncertain > unassessed)
  215. Species Fragilaria crassa Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  216. Species Fragilaria crassa K.E. Lohman, 1957 (uncertain > unassessed)
  217. Species Fragilaria crassirhombica Metzeltin, Lange-Bertalot & Nergui, 2009 (uncertain > unassessed)
  218. Species Fragilaria cretae Ehrenberg, 1854 (uncertain > unassessed)
  219. Species Fragilaria crux Ehrenberg, 1854 (uncertain > unassessed)
  220. Species Fragilaria cuneata Ehrenberg, 1856 (uncertain > unassessed)
  221. Species Fragilaria curta Van Heurck, 1909 (uncertain > unassessed)
  222. Species Fragilaria curvata Skvortzow, 1935 (uncertain > unassessed)
  223. Species Fragilaria curvistriata Lohman & Andrews, 1968 (uncertain > unassessed)
  224. Species Fragilaria cyclopum (Brutschy) Lange-Bertalot, 1980 accepted as Synedra cyclopum f. cyclopum Brutschy, 1922 (uncertain > unassessed)
  225. Species Fragilaria cylindrus Grunow, 1883 (uncertain > unassessed)
  226. Species Fragilaria danica (Kützing) Lange-Bertalot, 1996 accepted as Synedra danica Kützing, 1844 (uncertain > unassessed)
  227. Species Fragilaria delicata K.E. Lohman, 1957 (uncertain > unassessed)
  228. Species Fragilaria delicatissima (W.Smith) Lange-Bertalot, 1980 accepted as Synedra delicatissima f. delicatissima W. Smith, 1853 (uncertain > unassessed)
  229. Species Fragilaria delicatissima Proschkina-Lavrenko, 1960 (uncertain > unassessed)
  230. Species Fragilaria delicatula Schoeman, 1973 (uncertain > unassessed)
  231. Species Fragilaria demerarae (Grunow) Lange-Bertalot, 1980 accepted as Synedra demerarae Grunow, 1881 (uncertain > unassessed)
  232. Species Fragilaria densestriata Hustedt, 1938 (uncertain > unassessed)
  233. Species Fragilaria denticulata Lohman & Andrews, 1968 (uncertain > unassessed)
  234. Species Fragilaria diatomoides Greville in Hooker, 1833 (uncertain > unassessed)
  235. Species Fragilaria diatomoides Harvey, 1841 (uncertain > unassessed)
  236. Species Fragilaria dibolos M.H.Hohn & J.Hellerman, 1963 (uncertain > unassessed)
  237. Species Fragilaria dilatata (Brébisson) Lange-Bertalot, 1993 accepted as Frustulia dilatata Brébisson, 1838 (uncertain > unassessed)
  238. Species Fragilaria dimeregramma Wolle, 1890 (uncertain > unassessed)
  239. Species Fragilaria diophthalma (Ehrenberg) Ehrenberg (uncertain > unassessed)
  240. Species Fragilaria diophthalma Hemprich & Ehrenberg (uncertain > unassessed)
  241. Species Fragilaria dorsiventralis (Otto Müller) Lange-Bertalot, 1980 (uncertain > unassessed)
  242. Species Fragilaria dubia Grunow, 1862 accepted as Hendeyella dubia (Grun. in van Heurck, 1862) Chunlian Li, Witkowski & Ashworth, 2016 (uncertain > unassessed)
  243. Species Fragilaria durietzii Cleve-Euler, 1940 (uncertain > unassessed)
  244. Species Fragilaria dzonoticola E. Novelo, R. Tavera & C. Ibarra, 2007 (uncertain > unassessed)
  245. Species Fragilaria ehrenbergii Corda, 1840 (uncertain > unassessed)
  246. Species Fragilaria eichhornii Witkowski & Lange-Bertalot, 1995 (uncertain > unassessed)
  247. Species Fragilaria elliptica Jousé, 1955 (uncertain > unassessed)
  248. Species Fragilaria endocystifera Héribaud, 1908 (uncertain > unassessed)
  249. Species Fragilaria entomon (Ehrenberg) Ehrenberg (uncertain > unassessed)
  250. Species Fragilaria estherae Hajós, 1973 (uncertain > unassessed)
  251. Species Fragilaria esthereia Hajós, 1971 (uncertain > unassessed)
  252. Species Fragilaria eugramma Ehrenberg, 1856 (uncertain > unassessed)
  253. Species Fragilaria eunotia Ehrenberg, 1854 (uncertain > unassessed)
  254. Species Fragilaria excissa Corda, 1840 (uncertain > unassessed)
  255. Species Fragilaria exigua Grunow, 1878 (uncertain > unassessed)
  256. Species Fragilaria exiguiformis Lange-Bertalot, 1993 (uncertain > unassessed)
  257. Species Fragilaria exiguissima Archibald, 1966 (uncertain > unassessed)
  258. Species Fragilaria exilis Grunow, 1863 (uncertain > unassessed)
  259. Species Fragilaria famelica (Kützing) Lange-Bertalot, 1980 accepted as Synedra famelica var. famelica Kützing, 1844 (uncertain > unassessed)
  260. Species Fragilaria familaris (Kützing) Hustedt, 1957 (uncertain > unassessed)
  261. Species Fragilaria fasciata Lyngbye, 1819 (uncertain > unassessed)
  262. Species Fragilaria fasciculata (C.Agardh) Lange-Bertalot, 1980 accepted as Tabularia fasciculata (C.Agardh) D.M.Williams & Round, 1986 (uncertain > unassessed, homotypic synonym)
  263. Species Fragilaria fayoumensis Aleem, 1958 (uncertain > unassessed)
  264. Species Fragilaria fenestrata Vinogradov, 1944 (uncertain > unassessed)
  265. Species Fragilaria fissa Ehrenberg, 1838 (uncertain > unassessed)
  266. Species Fragilaria flavovirens Takano, 1986 (uncertain > unassessed)
  267. Species Fragilaria flexura U. Hoff & H. Lange-Bertalot, 2011 (uncertain > unassessed)
  268. Species Fragilaria floridana Hanna, 1933 (uncertain > unassessed)
  269. Species Fragilaria foliolum (Corda) Corda, 1840 accepted as Paradesmus foliolum Corda, 1835 (uncertain > unassessed)
  270. Species Fragilaria fossilis (Pantocsek) Lange-Bertalot in Lange-Bertalot, Rumrich & Hofmann, 1991 (uncertain > unassessed)
  271. Species Fragilaria fossilis Hajós, 1973 (uncertain > unassessed)
  272. Species Fragilaria fossilis Hajós, 1974 (uncertain > unassessed)
  273. Species Fragilaria fragilariodes (Grunow in Van Heurck) Cholnoky, 1963 (uncertain > unassessed)
  274. Species Fragilaria frémontii Ehrenberg, 1870 (uncertain > unassessed)
  275. Species Fragilaria frustulia Ehrenberg, 1854 (uncertain > unassessed)
  276. Species Fragilaria fusus Ehrenberg, 1856 (uncertain > unassessed)
  277. Species Fragilaria gaillonii (Bory) Lange-Bertalot (uncertain > unassessed)
  278. Species Fragilaria gallionella Ehrenberg, 1848 (uncertain > unassessed)
  279. Species Fragilaria gedanensis Witkowski, 1993 (uncertain > unassessed)
  280. Species Fragilaria geocollegarum Witkowski & Lange-Bertalot, 1995 (uncertain > unassessed)
  281. Species Fragilaria germainii E.Reichardt & Lange-Bertalot, 1990 (uncertain > unassessed)
  282. Species Fragilaria gessneri Hustedt, 1956 (uncertain > unassessed)
  283. Species Fragilaria gibba Ehrenberg, 1837 (uncertain > unassessed)
  284. Species Fragilaria gieskesii Cholnoky, 1963 (uncertain > unassessed)
  285. Species Fragilaria gigantea Lauby, 1910 (uncertain > unassessed)
  286. Species Fragilaria glabra Ehrenberg, 1843 (uncertain > unassessed)
  287. Species Fragilaria glacialis Petit, 1908 (uncertain > unassessed)
  288. Species Fragilaria glans (Ehrenberg) Ehrenberg accepted as Navicula glans Ehrenberg, 1838 (uncertain > unassessed)
  289. Species Fragilaria glebula M.H.Hohn & J.Hellerman, 1963 (uncertain > unassessed)
  290. Species Fragilaria gnathastoma M.H.Hohn, 1961 (uncertain > unassessed)
  291. Species Fragilaria gracilis Østrup, 1910 (uncertain > unassessed)
  292. Species Fragilaria gracillima auct. non Mayer (uncertain > unassessed)
  293. Species Fragilaria grandis Ehrenberg, 1838 (uncertain > unassessed)
  294. Species Fragilaria granulata Karsten, 1907 (uncertain > unassessed)
  295. Species Fragilaria granulata Ehrenberg, 1844 (uncertain > unassessed)
  296. Species Fragilaria gregoryana (Grunow) H.L. Smith, 1884 (uncertain > unassessed)
  297. Species Fragilaria groenlandica Meunier, 1910 (uncertain > unassessed)
  298. Species Fragilaria grunowii (Pantocsek) F.W. Mills, 1934 accepted as Staurosira grunowii var. grunowii Pantocsek, 1892 (uncertain > unassessed)
  299. Species Fragilaria guenter-grassii Witkowski & Lange-Bertalot, 1993 accepted as Staurosirella guenter-grassii (Witkowski & Lange-Bert.) E.Morales, C.E.Wetzel & Ector, 2019 (uncertain > unassessed)
  300. Species Fragilaria gustavei Héribaud, 1903 (uncertain > unassessed)
  301. Species Fragilaria hantzschiana Gerstenberger in litt. Rabenhorst, 1861 (uncertain > unassessed)
  302. Species Fragilaria harrissonii W.Smith (uncertain > unassessed)
  303. Species Fragilaria heidenii Østrup, 1910 accepted as Staurosira inflata (Heiden) A.Rusanov, Ács, E. Morales & Ector in Rusanov et al., 2018 (uncertain > unassessed)
  304. Species Fragilaria henryi H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal, 1999 (uncertain > unassessed)
  305. Species Fragilaria hidasensis Hajós, 1973 (uncertain > unassessed)
  306. Species Fragilaria hiemalis (Roth) Lyngbye, 1819 (uncertain > unassessed)
  307. Species Fragilaria hiemalis sensu Duby, 1830 (uncertain > unassessed)
  308. Species Fragilaria himalayae Ehrenberg, 1854 (uncertain > unassessed)
  309. Species Fragilaria hirosakiensis Kanaya, 1959 (uncertain > unassessed)
  310. Species Fragilaria hoelii Foged, 1964 (uncertain > unassessed)
  311. Species Fragilaria hungarica Pantocsek (uncertain > unassessed)
  312. Species Fragilaria hungeriana Grunow (uncertain > unassessed)
  313. Species Fragilaria husvikensis Van de Vijver, Denys & Beyens (uncertain > unassessed)
  314. Species Fragilaria hyemalis Agardh (uncertain > unassessed)
  315. Species Fragilaria hyemalis Kützing (uncertain > unassessed)
  316. Species Fragilaria hyemalis Lyngbye (uncertain > unassessed)
  317. Species Fragilaria hyemalis Ralfs, 1843 (uncertain > unassessed)
  318. Species Fragilaria hyemalis (Roth) Lyngbye, 1819 (uncertain > unassessed)
  319. Species Fragilaria imbramoviciana Kaczmarska, 1976 (uncertain > unassessed)
  320. Species Fragilaria improbula Witkowski & Lange-Bertalot, 1995 (uncertain > unassessed)
  321. Species Fragilaria incisa (C.S.Boyer) Lange-Bertalot, 1980 accepted as Synedra incisa Boyer, 1920 (uncertain > unassessed)
  322. Species Fragilaria incognita Reichardt, 1988 (uncertain > unassessed)
  323. Species Fragilaria indigema Skvortzov, 1976 (uncertain > unassessed)
  324. Species Fragilaria inflata Pantocsek, 1902 (uncertain > unassessed)
  325. Species Fragilaria inflatissima Hustedt, 1952 (uncertain > unassessed)
  326. Species Fragilaria inflexa Ehrenberg, 1870 (uncertain > unassessed)
  327. Species Fragilaria informa W. Smith (uncertain > unassessed)
  328. Species Fragilaria interstincta M.H.Hohn & J.Hellerman, 1963 (uncertain > unassessed)
  329. Species Fragilaria investiens (W. Smith) Cleve-Euler, 1953 accepted as Tabularia investiens (W.Smith) D.M.Williams & F.E.Round, 1986 (uncertain > unassessed, homotypic synonym)
  330. Species Fragilaria ischaboensis Grunow in Van Heurck, 1881 (uncertain > unassessed)
  331. Species Fragilaria japonica Pantocsek, 1892 (uncertain > unassessed)
  332. Species Fragilaria japonica Meister, 1937 (uncertain > unassessed)
  333. Species Fragilaria javanica Hustedt, 1938 (uncertain > unassessed)
  334. Species Fragilaria juergensii (Agardh) Kützing, 1833 (1834) (uncertain > unassessed)
  335. Species Fragilaria kamica Loseva, 1982 (uncertain > unassessed)
  336. Species Fragilaria karstenii Boden, 1950 (uncertain > unassessed)
  337. Species Fragilaria kavnensis (Pantocsek) De Toni, 1892 accepted as Staurosira kavnensis Pantocsek, 1889 (uncertain > unassessed)
  338. Species Fragilaria kerguelensis (O'Meara) Cleve, 1901 accepted as Terebraria kerguelensis E.O'Meara, 1876 † (uncertain > unassessed)
  339. Species Fragilaria kizakensis Skvortzow & Noda, 1971 (uncertain > unassessed)
  340. Species Fragilaria kochii Pantocsek, 1892 (uncertain > unassessed)
  341. Species Fragilaria kriegeriana Krasske, 1943 (uncertain > unassessed)
  342. Species Fragilaria labei Witkowski & Metzeltin, 1996 (uncertain > unassessed)
  343. Species Fragilaria lacusbaikalii Skvortzow, 1937 (uncertain > unassessed)
  344. Species Fragilaria laevigata (Grunow) Lange-Bertalot, 1980 accepted as Synedra laevigata f. laevigata Grunow, 1877 (uncertain > unassessed)
  345. Species Fragilaria laevis Ehrenberg, 1843 † (uncertain > unassessed)
  346. Species Fragilaria laevis Corda, 1840 (uncertain > unassessed)
  347. Species Fragilaria laevissima Cleve, 1898 (uncertain > unassessed)
  348. Species Fragilaria laevissima Meister, 1937 (uncertain > unassessed)
  349. Species Fragilaria lagerheimii (uncertain > unassessed)
  350. Species Fragilaria lamella Ehrenberg, 1854 (uncertain > unassessed)
  351. Species Fragilaria lanceolata (Kützing) E.Reichardt, 1988 accepted as Synedra lanceolata f. lanceolata Kützing, 1844 (uncertain > unassessed)
  352. Species Fragilaria lancettula Schumann, 1867 (uncertain > unassessed)
  353. Species Fragilaria lata (Cleve-Euler) Renberg, 1977 accepted as Synedra parasitica f. lata Cleve-Euler, 1953 (uncertain > unassessed)
  354. Species Fragilaria latiscula Lyngbye, 1819 (uncertain > unassessed)
  355. Species Fragilaria latruncularia Lyngbye, 1819 (uncertain > unassessed)
  356. Species Fragilaria legumen Ehrenberg, 1854 (uncertain > unassessed)
  357. Species Fragilaria lenticularis M. Peragallo, 1920 (uncertain > unassessed)
  358. Species Fragilaria lenzii (Krasske) Lange-Bertalot & Willmann apud Lange-Bertalot et al., 1996 (uncertain > unassessed)
  359. Species Fragilaria leptartha Corda, 1840 (uncertain > unassessed)
  360. Species Fragilaria leptocephala Ehrenberg, 1853 (uncertain > unassessed)
  361. Species Fragilaria leptoceros Ehrenberg, 1844 (uncertain > unassessed)
  362. Species Fragilaria levis Ehrenberg, 1843 (uncertain > unassessed)
  363. Species Fragilaria lineata (L.W.Dillwyn) H.C.Lyngbye (uncertain > unassessed)
  364. Species Fragilaria litoralis Cholnoky, 1963 (uncertain > unassessed)
  365. Species Fragilaria loetscherii Lange-Bertalot in Lange-Bertalot & Le Cohu, 1985 (uncertain > unassessed)
  366. Species Fragilaria longiceps (Ehrenberg) Lange-Bertalot, 1980 accepted as Synedra longiceps Ehrenberg, 1845 (uncertain > unassessed)
  367. Species Fragilaria longifusiformis (Hains & Sebring) Siver et al. (uncertain > unassessed)
  368. Species Fragilaria longissima Hustedt, 1913 (uncertain > unassessed)
  369. Species Fragilaria luciae Cholnoky, 1968 (uncertain > unassessed)
  370. Species Fragilaria luteolus Corda, 1840 (uncertain > unassessed)
  371. Species Fragilaria maeotica Milovanova, 1955 (uncertain > unassessed)
  372. Species Fragilaria magocsyi Lacsny, 1916 (uncertain > unassessed)
  373. Species Fragilaria maillardii Le Cohu in Lange-Bertalot & Le Cohu, 1985 (uncertain > unassessed)
  374. Species Fragilaria margarethae Schoeman, 1970 (uncertain > unassessed)
  375. Species Fragilaria marina (uncertain > unassessed)
  376. Species Fragilaria martyi (Héribaud-Joseph) Lange-Bertalot, 1993 accepted as Opephora martyi f. martyi Héribaud, 1902 (uncertain > unassessed)
  377. Species Fragilaria maxima O'Meara, 1876 (uncertain > unassessed)
  378. Species Fragilaria mazamaensis (Sovereign) Lange-Bertalot, 1980 accepted as Synedra mazamaensis Sovereign, 1958 (uncertain > unassessed)
  379. Species Fragilaria mecsekia Hajós, 1973 (uncertain > unassessed)
  380. Species Fragilaria mediterranea (uncertain > unassessed)
  381. Species Fragilaria meisteri VanLandingham, 1971 (uncertain > unassessed)
  382. Species Fragilaria mesodon Ehrenberg, 1839 (uncertain > unassessed)
  383. Species Fragilaria mesogongyla Ehrenberg, 1856 (uncertain > unassessed)
  384. Species Fragilaria mesolepta Rabenhorst, 1861 (uncertain > unassessed)
  385. Species Fragilaria mesotyla Ehrenberg, 1847 (uncertain > unassessed)
  386. Species Fragilaria mexicana (Ehrenberg) De Toni, 1892 accepted as Staurosira mexicana Ehrenberg, 1854 (uncertain > unassessed)
  387. Species Fragilaria micra Z.Levkov & D.M.Williams, 2011 (uncertain > unassessed)
  388. Species Fragilaria microcephala (Neupauer) Pantocsek, 1889 (uncertain > unassessed)
  389. Species Fragilaria microcephala R.F.Bastow, 1960 (uncertain > unassessed)
  390. Species Fragilaria microstriata Marciniak, 1982 (uncertain > unassessed)
  391. Species Fragilaria minima (Ralfs) Grunow, 1862 accepted as Diatoma minimum Ralfs, 1846 (uncertain > unassessed)
  392. Species Fragilaria miniscula (Grunow) D.M.Williams & Round, 1987 (uncertain > unassessed)
  393. Species Fragilaria minuta Pantocsek, 1889 (uncertain > unassessed)
  394. Species Fragilaria minutissima Grunow in Van Heurck, 1881 (uncertain > unassessed)
  395. Species Fragilaria moissacensis Héribaud, 1908 (uncertain > unassessed)
  396. Species Fragilaria mollis Meunier, 1910 (uncertain > unassessed)
  397. Species Fragilaria montana (Krasske) Lange-Bertalot, 1980 accepted as Synedra montana f. montana Krasske ex Hustedt, 1932 (uncertain > unassessed)
  398. Species Fragilaria mormonorum (Grunow) Boyer, 1927 accepted as Fragilaria brevistriata var. mormorum Grunow in Van Heurck, 1881 (uncertain > unassessed)
  399. Species Fragilaria moronensis (Truan in Tempère & Peragallo) (uncertain > unassessed)
  400. Species Fragilaria mujltipunctata (Ehrenberg) Ehrenberg, 1830 accepted as Bacillaria multipunctata Ehrenberg in Hemprich & Ehrenberg, 1828 (uncertain > unassessed)
  401. Species Fragilaria mujltipunctata (Hemprich & Ehrenberg) Ehrenberg, 1832 accepted as Bacillaria multipunctata Ehrenberg in Hemprich & Ehrenberg, 1828 (uncertain > unassessed)
  402. Species Fragilaria multipunctata Hemprich & Ehrenberg (uncertain > unassessed)
  403. Species Fragilaria nana (Meister) Lange-Bertalot, 1980 accepted as Synedra nana f. nana Meister, 1912 (uncertain > unassessed)
  404. Species Fragilaria nana Steemann Nielsen, 1935 (uncertain > unassessed)
  405. Species Fragilaria nanana Lange-Bertalot, 1993 (uncertain > unassessed)
  406. Species Fragilaria nankoorensis Grunow, 1868 (uncertain > unassessed)
  407. Species Fragilaria nanoides Lange-Bertalot, 1996 (uncertain > unassessed)
  408. Species Fragilaria navicula Ehrenberg, 1840 (uncertain > unassessed)
  409. Species Fragilaria neobacillum VanLandingham, 1971 (uncertain > unassessed)
  410. Species Fragilaria neoelliptica A.Witkowski, 1994 (uncertain > unassessed)
  411. Species Fragilaria neogena Pantocsek, 1913 (uncertain > unassessed)
  412. Species Fragilaria neoproducta Lange-Bertalot, 1991 (uncertain > unassessed)
  413. Species Fragilaria newberryi Ehrenberg, 1870 (uncertain > unassessed)
  414. Species Fragilaria nodosa Cleve, 1898 (uncertain > unassessed)
  415. Species Fragilaria nodulosa Ehrenberg, 1844 (1845) (uncertain > unassessed)
  416. Species Fragilaria norma Smayda, 1966 (uncertain > unassessed)
  417. Species Fragilaria northumbrica Grunow in Van Heurck, 1881 (uncertain > unassessed)
  418. Species Fragilaria nummuloides (Dillwyn) Lyngbye, 1819 (uncertain > unassessed)
  419. Species Fragilaria oamaruensis Schrader, 1969 (uncertain > unassessed)
  420. Species Fragilaria oblonga Drebes & Schulz, 1990 (uncertain > unassessed)
  421. Species Fragilaria obtusa Hustedt, 1956 (uncertain > unassessed)
  422. Species Fragilaria oldenburgiana Hustedt, 1959 (uncertain > unassessed)
  423. Species Fragilaria oldenburgioides Lange-Bertalot, 1996 accepted as Staurosirella oldenburgioides (Lange-Bertalot in Lange-Bertalot & Metzeltin) E.Morales, M.L.García & Maidana, 2017 (uncertain > unassessed)
  424. Species Fragilaria opacolineata Lange-Bertalot, 1996 accepted as Pseudostaurosira opacolineata (Lange-Bertalot in Lange-Bertalot & Metzeltin) M.L.García & Maidana, 2017 (uncertain > unassessed)
  425. Species Fragilaria opephoroides Takano, 1988 accepted as Serratifera opephoroides (Takano) Chunlian Li & Witkowski, 2018 (uncertain > unassessed)
  426. Species Fragilaria ovalis Hajós, 1959 (uncertain > unassessed)
  427. Species Fragilaria ovata M. Peragallo, 1903 (uncertain > unassessed)
  428. Species Fragilaria oxyptera Ehrenberg, 1856 (uncertain > unassessed)
  429. Species Fragilaria oxyrhombus Ehrenberg, 1856 (uncertain > unassessed)
  430. Species Fragilaria pannonica Pantocsek, 1913 (uncertain > unassessed)
  431. Species Fragilaria paradoxa Ehrenberg, 1841 (uncertain > unassessed)
  432. Species Fragilaria parasitica (W.Smith) Heiberg, 1863 accepted as Odontidium parasiticum var. parasiticum W. Smith, 1856 (uncertain > unassessed)
  433. Species Fragilaria pavini Manguin, 1954 (uncertain > unassessed)
  434. Species Fragilaria pecten Castracane, 1882 (uncertain > unassessed)
  435. Species Fragilaria pectinalis (O.F.Müller) Lyngbye, 1819 (uncertain > unassessed)
  436. Species Fragilaria pectinalis Agardh (uncertain > unassessed)
  437. Species Fragilaria pectinalis auct. non Lyngbye (uncertain > unassessed)
  438. Species Fragilaria pectinalis Ehrenberg, 1838 (uncertain > unassessed)
  439. Species Fragilaria pectinata Ehrenberg (uncertain > unassessed)
  440. Species Fragilaria pediculata Proschkina-Lavrenko, 1962 (uncertain > unassessed)
  441. Species Fragilaria pelagica Ehrenberg, 1872 (uncertain > unassessed)
  442. Species Fragilaria pellucida Lohman & Andrews, 1968 (uncertain > unassessed)
  443. Species Fragilaria pelta Hohn & Hellerman, 1966 (uncertain > unassessed)
  444. Species Fragilaria peragalli Frenguelli, 1926-1928 (uncertain > unassessed)
  445. Species Fragilaria peragalloi Pantocsek, 1892 (uncertain > unassessed)
  446. Species Fragilaria pinnata Ehrenberg, 1843 (uncertain > unassessed)
  447. Species Fragilaria pinnatoides B.J.Cholnoky, 1960 (uncertain > unassessed)
  448. Species Fragilaria pinnulata Ehrenberg, 1844 (uncertain > unassessed)
  449. Species Fragilaria planctonica H.Heiden (uncertain > unassessed)
  450. Species Fragilaria polonica M.Witak & Lange-Bertalot, 1995 (uncertain > unassessed)
  451. Species Fragilaria polyedra Ehrenberg, 1854 (uncertain > unassessed)
  452. Species Fragilaria pomerooni Ehrenberg, 1854 (uncertain > unassessed)
  453. Species Fragilaria praechankensis Jousé, 1952 (uncertain > unassessed)
  454. Species Fragilaria praeleptostauron Hajós, 1973 (uncertain > unassessed)
  455. Species Fragilaria pseudoatomus Manguin, 1960 (uncertain > unassessed)
  456. Species Fragilaria pseudoconstruens Marciniak, 1982 (uncertain > unassessed)
  457. Species Fragilaria pseudocylindrus Manguin ex Kociolek & Reviers, 1996 (uncertain > unassessed)
  458. Species Fragilaria pseudogaillonii Kobayasi & Idei, 1979 (uncertain > unassessed)
  459. Species Fragilaria pseudolaevissima VanLandingham, 1971 (uncertain > unassessed)
  460. Species Fragilaria pseudolanceolata Pantocsek, 1913 (uncertain > unassessed)
  461. Species Fragilaria pseudomesolepta Poretzky ex Proschkina-Lavrenko, 1950 (uncertain > unassessed)
  462. Species Fragilaria pseudomesolepta Poretzky, 1953 (uncertain > unassessed)
  463. Species Fragilaria pteridium Ehrenberg, 1854 (uncertain > unassessed)
  464. Species Fragilaria pulchella (Ralfs ex Kützing) Lange-Bertalot, 1980 accepted as Exilaria pulchella Ralfs ex Kützing, 1844 (uncertain > unassessed)
  465. Species Fragilaria punctata John, 1981 (uncertain > unassessed)
  466. Species Fragilaria punctatostriata Manguin, 1942 (uncertain > unassessed)
  467. Species Fragilaria punctifomis A. Witkowski & D. Metzeltin apud D. Metzeltin & A. Witkowski, 1996 (uncertain > unassessed)
  468. Species Fragilaria pusilla Kützing, 1849 (uncertain > unassessed)
  469. Species Fragilaria quadrata (Hustedt) Lange-Bertalot & Metzeltin, 1996 accepted as Fragilaria undata var. quadrata Hustedt, 1930 (uncertain > unassessed)
  470. Species Fragilaria quebecensis (Poulin, Hudon & Cardinal) A.Witkowski, H.Lange-Bertalot & D.Metzeltin, 2000 (uncertain > unassessed)
  471. Species Fragilaria radians (Kützing) D.M.Williams & Round, 1987 accepted as Synedra radians var. radians Kützing, 1844 (uncertain > unassessed)
  472. Species Fragilaria recapitellata H. Lange-Bertalot & D. Metzeltin, 2009 (uncertain)
  473. Species Fragilaria reicheltii (Voigt) Lange-Bertalot, 1986 accepted as Centronella reichelti Voigt, 1902 (uncertain > unassessed)
  474. Species Fragilaria rhodana M.H.Hohn & J.Hellerman, 1963 (uncertain > unassessed)
  475. Species Fragilaria rhombica (O'Meara) Heiden & Kolbe, 1928 accepted as Diatoma rhombicum O'Meara, 1876 (uncertain > unassessed)
  476. Species Fragilaria rhombica Cleve, 1901 (uncertain > unassessed)
  477. Species Fragilaria rhombica Østrup, 1918 (1920) (uncertain > unassessed)
  478. Species Fragilaria rhombus Ehrenberg, 1854 (uncertain > unassessed)
  479. Species Fragilaria riesgoviensis Schauderna, 1983 (uncertain > unassessed)
  480. Species Fragilaria robusta (Fusey) Manguin, 1954 accepted as Fragilaria construens f. robusta Fusey, 1951 (uncertain > unassessed)
  481. Species Fragilaria robusta Hustedt ex Simonsen, 1987 (uncertain > unassessed)
  482. Species Fragilaria rockefellerii Pantocsek, 1909 (uncertain > unassessed)
  483. Species Fragilaria rolandschmidtii Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  484. Species Fragilaria rostrata Pantocsek, 1912 (uncertain > unassessed)
  485. Species Fragilaria rotunda Hajós, 1959 (uncertain > unassessed)
  486. Species Fragilaria rotunda Hajós & Palfalvy, 1961 (uncertain > unassessed)
  487. Species Fragilaria rotundata Ehrenberg, 1844 (uncertain > unassessed)
  488. Species Fragilaria rotundissima Hargraves & Guillard, 1974 (uncertain > unassessed)
  489. Species Fragilaria salina Kützing, 1833 (uncertain > unassessed)
  490. Species Fragilaria santaremensis Metzeltin & Lange-Bertalot, 1998 (uncertain > unassessed)
  491. Species Fragilaria scalaris Ehrenberg, 1838 (uncertain > unassessed)
  492. Species Fragilaria schulzii C.Brockmann, 1950 (uncertain > unassessed)
  493. Species Fragilaria schwartziana Grunow, 1868 (uncertain > unassessed)
  494. Species Fragilaria schwartzii Grunow, 1863 (uncertain > unassessed)
  495. Species Fragilaria seminuda Ehrenberg (uncertain > unassessed)
  496. Species Fragilaria seminulum Ehrenberg, 1843 (uncertain > unassessed)
  497. Species Fragilaria semseyana Pantocsek (uncertain > unassessed)
  498. Species Fragilaria sepes Ehrenberg, 1854 (uncertain > unassessed)
  499. Species Fragilaria sepulta Pantocsek, 1892 (uncertain > unassessed)
  500. Species Fragilaria shandongensis Li, 1982 (uncertain > unassessed)
  501. Species Fragilaria shiloi J.J.Lee, Reimer & McEnery, 1980 (uncertain > unassessed)
  502. Species Fragilaria siamensis Østrup, 1902 (uncertain > unassessed)
  503. Species Fragilaria silendum Hohn & Hellerman, 1966 accepted as Neodelphineis silenda (Hohn & Hellerman, 1966) Desianti & Potapova, 2015 (uncertain > unassessed)
  504. Species Fragilaria similis Krasske, 1939 (uncertain > unassessed)
  505. Species Fragilaria sinuata M.Peragallo, 1909 (uncertain > unassessed)
  506. Species Fragilaria siolii Hustedt, 1952 (uncertain > unassessed)
  507. Species Fragilaria skvorzowii Jousé, 1952 (uncertain > unassessed)
  508. Species Fragilaria smithiana Grunow, 1881 (uncertain > unassessed)
  509. Species Fragilaria socia (Wallace) Lange-Bertalot, 1980 accepted as Synedra socia Wallace, 1955 (uncertain > unassessed)
  510. Species Fragilaria somalica G. Frenguelli, 1933 (uncertain > unassessed)
  511. Species Fragilaria sopotensis Witkowski & Lange-Bertalot, 1993 accepted as Nanofrustulum sopotensis (Witkowski & Lange-Bert.) E.Morales, C.E.Wetzel & Ector, 2019 (uncertain > unassessed)
  512. Species Fragilaria speciosa (Brightwell) Grunow, 1862 accepted as Odontidium speciosum Brightwell, 1859 (uncertain > unassessed)
  513. Species Fragilaria spicula Mereschkowsky, 1900 (uncertain > unassessed)
  514. Species Fragilaria spinarum L-B & Metzeltin, 1996 (uncertain > unassessed)
  515. Species Fragilaria spinosa Skvortzow, 1937 (uncertain > unassessed)
  516. Species Fragilaria spinulifera Hustedt, 1927 (uncertain > unassessed)
  517. Species Fragilaria spinulosa Patrick, 1940 (uncertain > unassessed)
  518. Species Fragilaria stauroneidea Schumann, 1864 (uncertain > unassessed)
  519. Species Fragilaria striata Ehrenberg, 1832 (uncertain > unassessed)
  520. Species Fragilaria striatula Agardh, 1824 (uncertain > unassessed)
  521. Species Fragilaria striatula Agardh (uncertain > unassessed)
  522. Species Fragilaria striatula Greville, 1833 (uncertain > unassessed)
  523. Species Fragilaria striolata Ehrenberg, 1839 (uncertain > unassessed)
  524. Species Fragilaria stylidium Ehrenberg, 1842 (uncertain > unassessed)
  525. Species Fragilaria stylus Ehrenberg, 1842 (uncertain > unassessed)
  526. Species Fragilaria subatomus Gasse, 1975 (uncertain > unassessed)
  527. Species Fragilaria subcapitata Messikommer, 1971 (uncertain > unassessed)
  528. Species Fragilaria subconstricta Østrup, 1910 (uncertain > unassessed)
  529. Species Fragilaria sublika M.H.Hohn & J.Hellerman, 1963 (uncertain > unassessed)
  530. Species Fragilaria sublineata Hustedt ex Simonsen, 1987 (uncertain > unassessed)
  531. Species Fragilaria submicroscopica F.R. Schoeman, 1972 (uncertain > unassessed)
  532. Species Fragilaria suboldenburgiana K.E. Camburn & D.F. Charles, 2000 (uncertain > unassessed)
  533. Species Fragilaria subsalina (Grunow) Lange-Bertalot, 1993 accepted as Fragilaria virescens f. subsalina Grunow in Van Heurck, 1881 (uncertain > unassessed)
  534. Species Fragilaria subvulgaris 'Cholnoky' VanLandingham, 1971 (uncertain > unassessed)
  535. Species Fragilaria sundaysensis Archibald, 1982 (uncertain > unassessed)
  536. Species Fragilaria Surirella Ehrenberg, 1854 (uncertain > unassessed)
  537. Species Fragilaria swartzii Grunow, 1863 (uncertain > unassessed)
  538. Species Fragilaria synedra Ehrenberg, 1854 (uncertain > unassessed)
  539. Species Fragilaria synegrotesca Lange-Bertalot, 1993 (uncertain > unassessed)
  540. Species Fragilaria syriaca Ehrenberg, 1840 (uncertain > unassessed)
  541. Species Fragilaria tabellaria (O'Meara) De Toni, 1892 accepted as Ralfsia tabellaria O'Meara, 1875 (uncertain > unassessed)
  542. Species Fragilaria tabulata (C.Agardh) Lange-Bertalot, 1981 accepted as Tabularia tabulata (C.Agardh) Snoeijs, 1992 (uncertain > unassessed)
  543. Species Fragilaria tabulatoides Cholnoky, 1966 (uncertain > unassessed)
  544. Species Fragilaria taenia Ehrenberg, 1848 (uncertain > unassessed)
  545. Species Fragilaria taeniaeformis (J. E. Smith) Gray, 1821 (uncertain > unassessed)
  546. Species Fragilaria taiaensis Carter & Denny, 1982 (uncertain > unassessed)
  547. Species Fragilaria telum Carter & Denny, 1987 (uncertain > unassessed)
  548. Species Fragilaria tenerrima Heiberg, 1863 (uncertain > unassessed)
  549. Species Fragilaria tenuis Agardh, 1832 (uncertain > unassessed)
  550. Species Fragilaria tenuistriata Østrup, 1910 (uncertain > unassessed)
  551. Species Fragilaria teritaria Pantocsek, 1909 (uncertain > unassessed)
  552. Species Fragilaria tessella Ehrenberg, 1854 (uncertain > unassessed)
  553. Species Fragilaria thermalis Ehrenberg, 1854 (uncertain > unassessed)
  554. Species Fragilaria toxoneides (Castracane) Lange-Bertalot, 1980 accepted as Synedra toxoneides var. toxoneides Castracane, 1880 (uncertain > unassessed)
  555. Species Fragilaria trachea Ehrenberg, 1854 (uncertain > unassessed)
  556. Species Fragilaria transylvanica Pantocsek, 1892 (uncertain > unassessed)
  557. Species Fragilaria triangulata Moissejeva in Scheschukova-Poretskaya & Moissejewa, 1964 (uncertain > unassessed)
  558. Species Fragilaria tricarinata (Ehrenberg) De Toni, 1892 accepted as Staurosira tricarinata Ehrenberg, 1854 (uncertain > unassessed)
  559. Species Fragilaria triconfusa VanLandingham, 1971 (uncertain > unassessed)
  560. Species Fragilaria trigibba Pantocsek, 1902 (uncertain > unassessed)
  561. Species Fragilaria trigongyla (Ehrenberg) De Toni, 1892 accepted as Staurosira trigongyla Ehrenberg, 1843 (uncertain > unassessed)
  562. Species Fragilaria trinodis Ehrenberg, 1838 (uncertain > unassessed)
  563. Species Fragilaria triundulata E.V.Østrup (uncertain > unassessed)
  564. Species Fragilaria triundulata Saveljewa-Dolgova, 1925 (uncertain > unassessed)
  565. Species Fragilaria turgens Ehrenberg, 1846 (uncertain > unassessed)
  566. Species Fragilaria turgidula Ehrenberg, 1831 (uncertain > unassessed)
  567. Species Fragilaria ulna (Nitzsch) Lange-Bertalot, 1980 accepted as Bacillaria ulna Nitzsch, 1817 (uncertain > unassessed)
  568. Species Fragilaria undata auct. non W. Smith (uncertain > unassessed)
  569. Species Fragilaria undulata Cramer, 1863 (uncertain > unassessed)
  570. Species Fragilaria undulata Corda, 1835 (uncertain > unassessed)
  571. Species Fragilaria undulata Ehrenberg, 1854 (uncertain > unassessed)
  572. Species Fragilaria unipunctata Lyngbye, 1819 (uncertain > unassessed)
  573. Species Fragilaria utermoehlii (Hustedt) Lange-Bertalot, 1991 accepted as Synedra utermoehlii Hustedt, 1932 (uncertain > unassessed)
  574. Species Fragilaria vanheurckii Peragallo, 1921 (uncertain > unassessed)
  575. Species Fragilaria vasta (Pantocsek) F.W. Mills, 1934 accepted as Staurosira vasta Pantocsek, 1892 (uncertain > unassessed)
  576. Species Fragilaria venetiana Cholnoky, 1961 (uncertain > unassessed)
  577. Species Fragilaria ventralis Ehrenberg, 1854 (uncertain > unassessed)
  578. Species Fragilaria ventricosa Ehrenberg, 1854 (uncertain > unassessed)
  579. Species Fragilaria ventriculus Ehrenberg, 1843 (uncertain > unassessed)
  580. Species Fragilaria viereckiana G. Moser, 1999 accepted as Staurosira viereckiana (Gerd Moser) C.E.Wetzel & E.Morales, 2019 (uncertain > unassessed)
  581. Species Fragilaria vinaninkarenae Manguin, 1949 (uncertain > unassessed)
  582. Species Fragilaria virescens (Grunow) Skabichevskii, 1960 accepted as Fragilaria virescens f. subsalina Grunow in Van Heurck, 1881 (uncertain > unassessed)
  583. Species Fragilaria voeringia Fenner in Schrader & Fenner, 1976 (uncertain > unassessed)
  584. Species Fragilaria vulgaris Ehrenberg, 1845 (uncertain > unassessed)
  585. Species Fragilaria woerthensis Mayer, 1931 (uncertain > unassessed)
  586. Species Fragilaria zasuminensis Cabejszekówna, 1937 (uncertain > unassessed)
  587. Species Fragilaria zusaminensis (uncertain > unassessed)
marine, brackish, fresh, terrestrial
recent + fossil
Lyngbye, H.C. (1819). Tentamen Hydrophytologiae Danicae Continens omnia Hydrophyta Cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, Systematice Disposita, Descripta et iconibus illustrata, Adjectis Simul Speciebus Norvegicis. Hafniae., 248 pp., 70 pls., available online at https://www.biodiversitylibrary.org/page/5220228 [details]  OpenAccess publication 
Distribution taxon only identified to generic level in M'Harzi (1999)  
Distribution taxon only identified to generic level in M'Harzi (1999) [details]
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. (2021). DiatomBase. Fragilaria H.C. Lyngbye, 1819. Accessed at: http://diatombase.org/aphia.php?p=taxdetails&id=149028 on 2024-03-28
Date
action
by
2005-03-30 08:52:46Z
created
db_admin
2017-02-23 10:36:53Z
changed
2019-02-05 03:36:24Z
changed

original description Lyngbye, H.C. (1819). Tentamen Hydrophytologiae Danicae Continens omnia Hydrophyta Cryptogama Daniae, Holsatiae, Faeroae, Islandiae, Groenlandiae hucusque cognita, Systematice Disposita, Descripta et iconibus illustrata, Adjectis Simul Speciebus Norvegicis. Hafniae., 248 pp., 70 pls., available online at https://www.biodiversitylibrary.org/page/5220228 [details]  OpenAccess publication 

original description  (of Falcatella L. Rabenhorst, 1853) Rabenhorst, L. (1853). Die Süsswasser-Diatomaceen (Bacillarien) für Freunde der Mikroskopie. . Eduard Kummer, Leipzig., 72 pp., 9 pls. [details]   

basis of record Fourtanier, E. & Kociolek, J. P. (compilers). (2011). Catalogue of Diatom Names. California Academy of Sciences, On-line Version. Updated 2011-09-19., available online at http://researcharchive.calacademy.org/research/diatoms/names/index.asp [details]   

additional source 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]   

additional source Hällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online at http://helcom.fi/Lists/Publications/BSEP95.pdf [details]  Available for editors  PDF available [request] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From other sources
Distribution taxon only identified to generic level in M'Harzi (1999) [details]

Spelling Written as Fragillaria in Muylaert & Sabbe (1999). [details]
LanguageName 
Japanese フラギラリア属  [details]
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