脆杆藻属
下级分类

本属包括以下物种：
Fragilaria acerba Cholnoky, 1966
Fragilaria acidobiontica D.F.Charles, 1986
Fragilaria acidoclinata Lange-Bertalot et G.Hofmann, 1993
Fragilaria aconcinnum Estep et Remsen, 1983
Fragilaria acus (Kützing) Lange-Bertalot, 2000
Fragilaria acuta Ehrenberg, 1840
Fragilaria acutirhombica Metzeltin, Lange-Bertalot et Nergui, 2009
Fragilaria acutirostrata Metzeltin et Lange-Bertalot, 1998
Fragilaria acutiuscula Pantocsek, 1902
Fragilaria adamsii Cholnoky, 1964
Fragilaria advena VanLandingham, 1971
埃塞俄比亚脆杆藻 Fragilaria aethiopica G.S.West, 1907
Fragilaria affinis Hofmann Bang, 1824
非洲脆杆藻 Fragilaria africana Hustedt, 1949
Fragilaria agnesiae Kahlert et Rimet, 2019
Fragilaria alpestris Krasske ex Hustedt, 1931
Fragilaria alternata Frenguelli, 1941
Fragilaria amicorum Witkowski et Lange-Bertalot, 1993
Fragilaria amphicephala Ehrenberg, 1854
Fragilaria amphicephaloides Lange-Bertalot, 2013
Fragilaria amphiceros Ehrenberg
Fragilaria amphilepta (Ehrenberg) Ralfs, 1861
Fragilaria amphioxys Ehrenberg, 1854
Fragilaria anceps Ehrenberg, 1843
Fragilaria angusta Ehrenberg, 1838
Fragilaria angustata Cleve et Grove, 1891
Fragilaria anomala W.Smith
Fragilaria antarctica Schwarz ex Otto Muller, 1877
Fragilaria aquaplus H.Lange-Bertalot et S.Ulrich, 2014
Fragilaria araulensis Héribaud, 1908
Fragilaria arcuata Schumann, 1862
Fragilaria asiatica Hustedt, 1922
微小脆杆藻 Fragilaria atomus Hustedt, 1931
Fragilaria aurea Carmichael, 1833
澳氏脆杆藻 Fragilaria aurivillii Cleve, 1901
Fragilaria australis Ehrenberg, 1854
Fragilaria austriaca (Grunow) Lange-Bertalot, 2000
Fragilaria bacillum Ehrenberg, 1844
Fragilaria bacillum M.Peragallo, 1920
Fragilaria baculus Østrup, 1918
Fragilaria balatonis Pantocsek, 1902
Fragilaria barbararum Witkowski, Metzeltin et Lange-Bertalot, 1996
Fragilaria berggrenii (Cleve)
二头端脆杆藻 Fragilaria bicapitata
Fragilaria biceps Ehrenberg, 1843，异名：Fragilaria biceps Pantocsek, 1902
Fragilaria biconstricta (Rabenhorst) Schumann, 1867
Fragilaria bidens Heiberg, 1863
Fragilaria bigibba Héribaud, 1903
Fragilaria billingsii Wengrat, C.E.Wetzel et E.Morales, 2016
Fragilaria binalis Ehrenberg, 1854
Fragilaria binodis Ehrenberg, 1854
Fragilaria binodis Pantocsek, 1902
Fragilaria bipunctata Ehrenberg, 1838
Fragilaria bipunctata Rabenhorst, 1861-1879
Fragilaria birostris Ehrenberg, 1844
Fragilaria bituminosa Pantocsek
Fragilaria bivittata Pantocsek, 1892
Fragilaria bongrainii M.Peragallo, 1921
Fragilaria boreomongolica Kulikovskiy, Lange-Bertalot, Witkowski et Dorofeyuk, 2010
Fragilaria brevis Montagne, 1842
短纹脆杆藻 Fragilaria brevistriata Grunow, 1885
加州脆杆藻 Fragilaria californica Grunow, 1881
Fragilaria calmelsi Lauby, 1910
Fragilaria canariensis Lange-Bertalot, 1993
Fragilaria candidagilae Almeida, C.Delgado, Novais et S.Blanco, 2015
Fragilaria capensis Cholnoky, 1959
Fragilaria capensis Grunow, 1863
Fragilaria capensis Karsten, 1905
Fragilaria capitellata Lauby, 1910
Fragilaria capucina (Krasske) Hustedt, 1957
Fragilaria capucina (Kützing) Lange-Bertalot, 1993
Fragilaria capucina Desmazières, 1830
Fragilaria carmichaelii Harvey, 1841
Fragilaria carnea H.C.Lyngbye
Fragilaria cassubica Witkowski et Lange-Bertalot, 1993
Fragilaria castracanei De Toni
Fragilaria catena Ehrenberg, 1840
Fragilaria cerealis Cholnoky, 1959
Fragilaria charcotii M.Peragallo, 1921
Fragilaria circumnodosa Brun, 1901
Fragilaria clevei Pantocsek
Fragilaria coccochroma Mereschkowsky, 1901
Fragilaria coccochromatica Mereschkowsky, 1902
Fragilaria cochabambina Morales, 2009
Fragilaria confervacea Greville ex Hooker, 1833
Fragilaria confervoides Greville, 1833
Fragilaria confusa Van de Vijver, Tusset, D.M.Williams et Ector, 2020
Fragilaria constricta Ehrenberg, 1843
连结脆杆藻 Fragilaria construens (Ehrenberg) Grunow, 1862
Fragilaria contracta Schumann, 1862
Fragilaria convexa Tynni, 1982
Fragilaria corrugata Kützing, 1844
Fragilaria costata (Rehakova) Lange-Bertalot, 1991
Fragilaria costata M.Peragallo, 1903
Fragilaria costata Meister, 1937
Fragilaria crassa K.E.Lohman, 1957
Fragilaria crassa Metzeltin et Lange-Bertalot, 1998
Fragilaria crassirhombica Metzeltin, Lange-Bertalot et Nergui, 2009
Fragilaria cretae Ehrenberg, 1854
克罗脆杆藻 Fragilaria crotonensis Kitton, 1869
Fragilaria crux Ehrenberg, 1854
Fragilaria cuneata Ehrenberg, 1856
Fragilaria curta Van Heurck, 1909
Fragilaria curvata Skvortzow, 1935
Fragilaria curvistriata Lohman et Andrews, 1968
柱状脆杆藻 Fragilaria cylindrus Grunow, 1883
Fragilaria deformis (W.Sm.) Van de Vijver et Ector, 2020
Fragilaria delicata K.E.Lohman, 1957
Fragilaria delicatissima Proschkina-Lavrenko, 1960
Fragilaria delicatula Schoeman, 1973
Fragilaria densestriata Hustedt, 1938
Fragilaria denticulata Lohman et Andrews, 1968
Fragilaria diatomoides Greville, 1833
Fragilaria diatomoides Harvey, 1841
Fragilaria dibolos M.H.Hohn et J.Hellerman, 1963
Fragilaria dimeregramma Wolle, 1890
Fragilaria diophthalma (Ehrenberg) Ehrenberg, 1832
Fragilaria dorsiventralis (Otto Müller) Lange-Bertalot, 1980
Fragilaria durietzii Cleve-Euler, 1940
Fragilaria dzonoticola E.Novelo, R.Tavera et C.Ibarra, 2007
Fragilaria ehrenbergii Corda, 1840
Fragilaria eichhornii Witkowski et Lange-Bertalot, 1995
Fragilaria elliptica Jousé, 1955
Fragilaria endocystifera Héribaud, 1908
Fragilaria entomon (Ehrenberg) Ehrenberg, 1843
Fragilaria estherae Hajós, 1973
Fragilaria esthereia Hajós, 1971
Fragilaria eugramma Ehrenberg, 1856
Fragilaria eunotia Ehrenberg, 1854
Fragilaria excissa Corda, 1840
Fragilaria exigua Grunow, 1878
Fragilaria exiguiformis Lange-Bertalot, 1993
Fragilaria exiguissima Archibald, 1966
Fragilaria exilis Grunow, 1863
Fragilaria familaris (Kützing) Hustedt, 1957
Fragilaria fasciata Lyngbye, 1819
Fragilaria fayoumensis Aleem, 1958
Fragilaria fenestrata Vinogradov, 1944
Fragilaria fissa Ehrenberg, 1838
Fragilaria flavovirens Takano, 1986
Fragilaria flexura U.Hoff et H.Lange-Bertalot, 2011
Fragilaria floridana Hanna, 1933
泉生脆杆藻 Fragilaria fonticola Hustedt
Fragilaria fossilis (Pantocsek) Lange-Bertalot, 1991，异名：Fragilaria fossilis Hajós, 1974
Fragilaria fragilariodes (Grunow) Cholnoky, 1963，也拼作：Fragilaria fragilarioides
Fragilaria frustulia Ehrenberg, 1854
Fragilaria frémontii Ehrenberg, 1870
Fragilaria fusa (R.M.Patrick, 1941) Wengrat, C.E.Wetzel et E.Morales, 2016
Fragilaria fusus Ehrenberg, 1856
Fragilaria gaillonii (Bory) Lange-Bertalot
Fragilaria gallionella Ehrenberg, 1848
Fragilaria gedanensis Witkowski, 1993
Fragilaria geocollegarum Witkowski et Lange-Bertalot, 1995
Fragilaria germainii E.Reichardt et Lange-Bertalot, 1990
Fragilaria gessneri Hustedt, 1956
Fragilaria gibba Ehrenberg, 1837
Fragilaria gieskesii Cholnoky, 1963
Fragilaria gigantea Lauby, 1910
Fragilaria glabra Ehrenberg, 1843
Fragilaria glacialis Petit, 1908
Fragilaria glebula M.H.Hohn et J.Hellerman, 1963
Fragilaria gloiophila (Grunow) Van de Vijver, Ector, T.M.Schuster et J.Walter, 2020
Fragilaria gnathastoma M.H.Hohn, 1961
Fragilaria goeyersiana Van de Vijver et Ector, 2020
Fragilaria gracilis Østrup, 1910
Fragilaria gracillima Mayer
Fragilaria grandis Ehrenberg, 1838
Fragilaria granulata Ehrenberg, 1844，异名：Fragilaria granulata Karsten, 1907
Fragilaria gregoryana (Grunow) H.L.Smith, 1884
Fragilaria groenlandica Meunier, 1910
Fragilaria grunowii H.Lange-Bertalot et S.Ulrich, 2014
Fragilaria gustavei Héribaud, 1903
海南脆杆藻 Fragilaria hainanensis Q.
Fragilaria hantzschiana Rabenhorst, 1861
Fragilaria harrissonii W.Smith
Fragilaria heatherae Kahlert et M.G.Kelly, 2019
霍氏脆杆藻 Fragilaria heideni Østrup, 1910
Fragilaria henryi H.Lange-Bertalot, 1999
Fragilaria hidasensis Hajós, 1973
Fragilaria hiemalis (Roth) Lyngbye, 1819
Fragilaria himalayae Ehrenberg, 1854
Fragilaria hinganensis Skvortzov
Fragilaria hirosakiensis Kanaya, 1959
Fragilaria hoelii Foged, 1964
Fragilaria huebeneri A.Schwarz, K.J.Krahn et C.E.Wetzel, 2021
Fragilaria hungarica Pantocsek
Fragilaria hungeriana Grunow
Fragilaria husvikensis Van de Vijver, Denys et Beyens, 2000
透明脆杆藻 Fragilaria hyalina (Kützing) Grunow ex Van Heurck, 1880
Fragilaria hyemalis Agardh
Fragilaria hyemalis Kützing
Fragilaria hyemalis Ralfs, 1843
Fragilaria imbramoviciana Kaczmarska, 1976
Fragilaria improbula Witkowski et Lange-Bertalot, 1995
Fragilaria incognita Reichardt, 1988
Fragilaria indigema Skvortzov, 1976
Fragilaria inflata (Heiden) Hustedt, 1931，异名：Fragilaria inflata Pantocsek, 1902
Fragilaria inflatissima Hustedt, 1952
Fragilaria inflexa Ehrenberg, 1870
中型脆杆藻 Fragilaria intermedia (Grunow) Grunow, 1881
Fragilaria interstincta M.H.Hohn et J.Hellerman, 1963
Fragilaria irregularis Chudaev, Juttner et Van de Vijver, 2021
Fragilaria ischaboensis Grunow, 1881
Fragilaria islandica Grunow ex Van Heurck, 1881
Fragilaria istvanffyi Pantocsek, 1902
日本脆杆藻 Fragilaria japonica Meister, 1937，异名：Fragilaria japonica Pantocsek, 1892
爪哇脆杆藻 Fragilaria javanica Hustedt, 1938
Fragilaria joachimii Kahlert, 2019
Fragilaria juergensii (Agardh) Kützing, 1833
Fragilaria kamica Loseva, 1982
Fragilaria karstenii Boden, 1950
Fragilaria kizakensis Skvortzow et Noda, 1971
Fragilaria kochii Pantocsek, 1892
Fragilaria kriegeriana Krasske, 1943
Fragilaria labei Witkowski et Metzeltin, 1996
Fragilaria lacusbaikalii Skvortzow, 1937
Fragilaria laevis Corda, 1840
Fragilaria laevis Ehrenberg, 1843
Fragilaria laevissima Cleve, 1898
Fragilaria laevissima Meister, 1937
Fragilaria lagerheimii
Fragilaria lamella Ehrenberg, 1854
Fragilaria lancettula Schumann, 1867
拉普兰脆杆藻 Fragilaria lapponica
Fragilaria latiscula Lyngbye, 1819
Fragilaria latruncularia Lyngbye, 1819
Fragilaria legumen Ehrenberg, 1854
Fragilaria lenoblei E.E.Manguin
Fragilaria lenticularis M.Peragallo, 1920
Fragilaria lenzii (Krasske) Lange-Bertalot et Willmann, 1996
Fragilaria leptartha Corda, 1840
Fragilaria leptocephala Ehrenberg, 1853
Fragilaria leptoceros Ehrenberg, 1844
Fragilaria levis Ehrenberg, 1843
Fragilaria linearis
Fragilaria lineata (L.W.Dillwyn) H.C.Lyngbye, 1819
Fragilaria litoralis Cholnoky, 1963
Fragilaria loetscherii Lange-Bertalot, 1985
Fragilaria longifusiformis (Hains et Sebring) Siver et al., 2006
Fragilaria longirostris Frenguelli, 1941
Fragilaria longissima Hustedt, 1913
Fragilaria luciae Cholnoky, 1968
Fragilaria luteolus Corda, 1840
Fragilaria maarensis K.J.Krahn et C.E.Wetzel, 2021
Fragilaria maeotica Milovanova, 1955
Fragilaria magna Hajós
Fragilaria magocsyi Lacsny, 1916
Fragilaria maillardii Le Cohu, 1985
Fragilaria margarethae Schoeman, 1970
Fragilaria marina
大脆杆藻 Fragilaria maxima O'Meara, 1876
Fragilaria mecsekia Hajós, 1973
Fragilaria mediterranea
Fragilaria meisteri VanLandingham, 1971
Fragilaria mesodon Ehrenberg, 1839
Fragilaria mesogongyla Ehrenberg, 1856
Fragilaria mesolepta Rabenhorst, 1861
Fragilaria mesotyla Ehrenberg, 1847
Fragilaria micra Z.Levkov et D.M.Williams, 2011
Fragilaria microcephala (Neupauer) Pantocsek, 1889
Fragilaria microcephala R.F.Bastow, 1960
Fragilaria microstriata Marciniak, 1982
Fragilaria microvaucheriae Wetzel et Ector, 2015
Fragilaria miniscula (Grunow) D.M.Williams et Round, 1987，也拼作Fragilaria minuscula
Fragilaria minuta Pantocsek, 1889
Fragilaria minutissima Grunow, 1881
Fragilaria miocenica Z.Jousé
Fragilaria misarelensis Almeida, C.Delgado, Novais et S.Blanco, 2019
Fragilaria moissacensis Héribaud, 1908
Fragilaria mollis Meunier, 1910
Fragilaria moronensis (Truan)
Fragilaria multipunctata Hemprich et Ehrenberg, 1838
Fragilaria mutabilis
Fragilaria mutablis (Smith) Grunow
Fragilaria nana Steemann Nielsen, 1935
Fragilaria nanana Lange-Bertalot, 1993
Fragilaria nankoorensis Grunow, 1868
Fragilaria nanoides Lange-Bertalot, 1996
Fragilaria navicula Ehrenberg, 1840
Fragilaria neobacillum VanLandingham, 1971
Fragilaria neoelliptica A.Witkowski, 1994
Fragilaria neogena Pantocsek, 1913
Fragilaria neointermedia Tuji et D.M.Williams, 2013
Fragilaria neoproducta Lange-Bertalot, 1991
Fragilaria neotropica P.D.Almeida, E.Morales et C.E.Wetzel, 2016
Fragilaria nevadensis J.E.Linares-Cuesta et P.M.Sánchez-Castillo, 2007
Fragilaria nevadensis K.E.Lohman, 1957
Fragilaria newberryi Ehrenberg, 1870
Fragilaria nitida Héribaud-Joseph
Fragilaria nitzschioides Grunow
Fragilaria nitzschoides Grunow, 1881
Fragilaria nodosa Cleve, 1898
Fragilaria nodulosa Ehrenberg, 1844
Fragilaria norma Smayda, 1966
Fragilaria northumbrica Grunow, 1881
Fragilaria nummuloides (Dillwyn) Lyngbye, 1819
Fragilaria nyella (Hust. ex Simonsen) D.G.Mann
Fragilaria oamaruensis Schrader, 1969
Fragilaria oblonga Drebes et Schulz, 1990
Fragilaria oblongata Drebes et Schultz
Fragilaria obtusa Hustedt, 1956
大洋脆杆藻 Fragilaria oceanica Cleve, 1873
Fragilaria oldenburgiana Hustedt, 1959
似槌棒脆杆藻 Fragilaria opephoroides Takano, 1988
Fragilaria ostenfeldii (Willi Krieg.) Van de Vijver, Alexson et Reavie, 2020
Fragilaria ovalis Hajós, 1959
Fragilaria ovata M.Peragallo, 1903
Fragilaria oxyptera Ehrenberg, 1856
Fragilaria oxyrhombus Ehrenberg, 1856
Fragilaria pannonica Pantocsek, 1913
Fragilaria pantocsekii Cleve-Euler, 1953
Fragilaria paradoxa Ehrenberg, 1841
Fragilaria pararumpens Lange-Bertalot, G.Hofmann et Werum, 2013
Fragilaria patagonica (Cleve) De Toni, 1892
Fragilaria pavini Manguin, 1954
Fragilaria pecten Castracane, 1882
Fragilaria pectinalis (O.F.Müller) Lyngbye, 1819。异名：Fragilaria pectinalis Agardh
Fragilaria pectinalis Ehrenberg, 1838
Fragilaria pectinata Ehrenberg
Fragilaria pediculata Proschkina-Lavrenko, 1962
Fragilaria pelagica Ehrenberg, 1872
Fragilaria pellucida Lohman et Andrews, 1968
Fragilaria pelta Hohn et Hellerman, 1966
Fragilaria pennsylvanica E.A.Morales, 2007
Fragilaria peragalli Frenguelli, 1926-1928
Fragilaria peragalloi Pantocsek, 1892
Fragilaria perdelicatissima Lange-Bertalot et Van de Vijver, 2014
Fragilaria perminuta Krammer et Lange-Bertalot, 2000
羽状脆杆藻 Fragilaria pinnata (Ehrenberg) Hustedt
Fragilaria pinnatoides B.J.Cholnoky, 1960
Fragilaria pinnulata Ehrenberg, 1844
Fragilaria planctonica H.Heiden, 1928
Fragilaria pliocena J.-J.Brun
Fragilaria polonica M.Witak et Lange-Bertalot, 1995
Fragilaria polyedra Ehrenberg, 1854
Fragilaria pomerooni Ehrenberg, 1854
Fragilaria praechankensis Jousé, 1952
Fragilaria praeleptostauron Hajós, 1973
Fragilaria prolongata (Grunow) Van de Vijver, C.E.Wetzel, Kusber et Ector, 2020
Fragilaria pseudoatomus Manguin, 1960
Fragilaria pseudoconstruens Marciniak, 1982
Fragilaria pseudocylindrus Manguin ex Kociolek et Reviers, 1996
Fragilaria pseudogaillonii Kobayasi et Idei, 1979
Fragilaria pseudolaevissima VanLandingham, 1971
Fragilaria pseudolanceolata Pantocsek, 1913
Fragilaria pseudomesolepta Poretzky ex Proschkina-Lavrenko, 1950
Fragilaria pteridium Ehrenberg, 1854
Fragilaria punctata John, 1981
Fragilaria punctatostriata Manguin, 1942
Fragilaria punctifomis A.Witkowski et D.Metzeltin, 1996
Fragilaria pusilla Kützing, 1849
Fragilaria quadrata (Hust.) Lange-Bert. et Metzeltin
Fragilaria quebecensis (Poulin, Hudon et Cardinal) A.Witkowski, H.Lange-Bertalot et D.Metzeltin, 2000
Fragilaria recapitellata H.Lange-Bertalot et D.Metzeltin, 2009
Fragilaria rhabdosoma Ehrenberg, 1832
Fragilaria rhodana M.H.Hohn et J.Hellerman, 1963
Fragilaria rhombica Cleve, 1901，异名：Fragilaria rhombica Østrup, 1918
Fragilaria rhombus Ehrenberg, 1854
Fragilaria riesgoviensis Schauderna, 1983
Fragilaria rinoi Almeida et C.Delgado, 2016
Fragilaria robusta Hustedt ex Simonsen, 1987
Fragilaria rockefellerii Pantocsek, 1909
Fragilaria rolandschmidtii Metzeltin et Lange-Bertalot, 1998
Fragilaria rostrata Pantocsek, 1912
Fragilaria rotunda Hajós, 1959
Fragilaria rotundata Ehrenberg, 1844
Fragilaria rotundissima Hargraves et Guillard, 1974
Fragilaria rupens (Kuetzing) Grunow
Fragilaria salina Kützing, 1833
Fragilaria salvadoriana K.J.Krahn et C.E.Wetzel, 2021
Fragilaria sandellii Van de Vijver et Jarlman, 2012
Fragilaria santaremensis Metzeltin et Lange-Bertalot, 1998
Fragilaria saxoplanctonica H.Lange-Bertalot et S.Ulrich, 2014
Fragilaria scalaris Ehrenberg, 1838
Fragilaria schulzii C.Brockmann, 1950
Fragilaria schwartziana Grunow, 1868
Fragilaria schwartzii Grunow, 1863
Fragilaria seminuda Ehrenberg
Fragilaria seminulum Ehrenberg, 1843
Fragilaria semseyana Pantocsek, 1913
Fragilaria sepes Ehrenberg, 1854
Fragilaria sepulta Pantocsek, 1892
Fragilaria shandongensis Li, 1982
Fragilaria shiloi J.J.Lee, Reimer et McEnery, 1980
Fragilaria siamensis Østrup, 1902
Fragilaria similis Krasske, 1939
Fragilaria sinuata M.Peragallo, 1909
Fragilaria siolii Hustedt, 1952
Fragilaria skvorzowii Jousé, 1952
Fragilaria smithiana Grunow, 1881
Fragilaria somalica G.Frenguelli, 1933
Fragilaria spectra P.D.Almeida, E.Morales et C.E.Wetzel, 2016
Fragilaria spicula Mereschkowsky, 1900
Fragilaria spinarum L-B et Metzeltin, 1996
Fragilaria spinaspeciosa Lange-Bertalot et Cantonati, 2019
Fragilaria spinosa Skvortzow, 1937
Fragilaria spinulifera Hustedt, 1927
Fragilaria spinulosa Patrick, 1940
Fragilaria stauroneidea Schumann, 1864
Fragilaria strangulata (Zanon) Hustedt
Fragilaria striata Ehrenberg, 1832
Fragilaria striatula Agardh
条纹脆杆藻 Fragilaria striatula Lyngbye, 1819
Fragilaria striolata Ehrenberg, 1839
Fragilaria stylidium Ehrenberg, 1842
Fragilaria stylus Ehrenberg, 1842
Fragilaria subatomus Gasse, 1975
Fragilaria subcapitata Messikommer, 1971
Fragilaria subconstricta Østrup, 1910
Fragilaria sublika M.H.Hohn et J.Hellerman, 1963
Fragilaria sublineata Hustedt ex Simonsen, 1987
Fragilaria submicroscopica F.R.Schoeman, 1972
Fragilaria suboldenburgiana K.E.Camburn et D.F.Charles, 2000
Fragilaria subtriundulata Y.L.Li
Fragilaria subvulgaris VanLandingham, 1971
Fragilaria sundaysensis Archibald, 1982
Fragilaria swartzii Grunow, 1863
Fragilaria synedra Ehrenberg, 1854
Fragilaria synegrotesca Lange-Bertalot, 1993
Fragilaria syriaca Ehrenberg, 1840
Fragilaria tabulatoides Cholnoky, 1966
Fragilaria taenia Ehrenberg, 1848
Fragilaria taeniaeformis (J.E.Smith) Gray, 1821
Fragilaria taiaensis Carter et Denny, 1982
Fragilaria telum Carter et Denny, 1987
Fragilaria tenera (W.Smith) Lange-Bertalot, 1980
Fragilaria tenera W.Sm., 1856
Fragilaria tenerrima Heiberg, 1863
Fragilaria tenuicollis Heib., 1863
Fragilaria tenuis Agardh, 1832
Fragilaria tenuis Jurilj, 1957
Fragilaria tenuissima H.Lange-Bertalot et S.Ulrich, 2014
Fragilaria tenuistriata Østrup, 1910
Fragilaria teritaria Pantocsek, 1909
Fragilaria tessella Ehrenberg, 1854
Fragilaria thermalis Ehrenberg, 1854
Fragilaria thornata L.Tan et B.H.Kim, 2020
Fragilaria trachea Ehrenberg, 1854
Fragilaria transylvanica Pantocsek, 1892
Fragilaria triangulata Moissejeva, 1964
Fragilaria triconfusa VanLandingham, 1971
Fragilaria tridentina Cantonati et Lange-Bertalot, 2019
Fragilaria trigibba Pantocsek, 1902
Fragilaria trinodis Ehrenberg, 1838
Fragilaria triundulata E.V.Østrup
Fragilaria triundulata Saveljewa-Dolgova, 1925
Fragilaria turgens Ehrenberg, 1846
Fragilaria turgidula Ehrenberg, 1831
Fragilaria uliginosa Kulikovskiy, Lange-Bertalot, Witkowski et Dorofeyuk, 2010
Fragilaria undata
Fragilaria undulata Corda, 1835，异名：Fragilaria undulata Cramer, 1863，或Fragilaria undulata Ehrenberg, 1854
Fragilaria ungeriana
Fragilaria unipunctata Lyngbye, 1819
Fragilaria vandevondeliana Van de Vijver et Ector, 2020
Fragilaria vanheurckii Peragallo, 1921
Fragilaria vaucheriaeraetica Cantonati et Lange-Bertalot, 2019
Fragilaria venetiana Cholnoky, 1961
Fragilaria venter
Fragilaria ventralis Ehrenberg, 1854
Fragilaria ventricosa Ehrenberg, 1854
Fragilaria ventriculus Ehrenberg, 1843
Fragilaria vinaninkarenae Manguin, 1949
Fragilaria virescens
Fragilaria vitrea (Kützing) Grunow, 1878
Fragilaria voeringia Fenner, 1976
Fragilaria vulgaris Ehrenberg, 1845
Fragilaria woerthensis Mayer, 1931
Fragilaria zafarii Sarode et Kamat, 1984
Fragilaria zasuminensis Cabejszekówna, 1937
Fragilaria zeilleri Héribaud-Joseph, 1903
Fragilaria zusaminensis
Falcatella auerswaldii Rabenhorst, 1863
Falcatella lunata Rabenhorst, 1853
Falcatella neapolitana Rabenhorst, 1853
Falcatella romana Rabenhorst, 1853
Falcatella zelleri Rabenhorst, 1864