DiatomBase
Between brackets is the number of accepted extant species
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Superorder Bacillariophycanae (4 083)
- Order Achnanthales (438)
- Order Bacillariales (357)
- Order Cymbellales (792)
- Family Anomoeoneidaceae D.G. Mann, 1990 (16)
- Family Cymbellaceae Greville, 1833 (423)
- Genus Alveocymba Kapustin, Kulikovskiy & Kociolek in Kapustin et al., 2020 (1)
- Genus Brebissonia A. Grunow, 1860
- Genus Celebesia D. Kapustin, Kulikovskiy & Kociolek, 2017 (1)
- Genus Cymbella C.A. Agardh, 1830 (78)
- Genus Cymbellafalsa H. Lange-Bertalot & D. Metzeltin in D. Metzeltin, H. Lange-Bertalot & S. Nergui, 2009
- Genus Cymbopleura (K. Krammer) K. Krammer in Lange-Bertalot & Genkal, 1999 (24)
- Genus Cymbopleura (K. Krammer) K. Krammer, 1997 accepted as Cymbopleura (K. Krammer) K. Krammer in Lange-Bertalot & Genkal, 1999
- Genus Delicata K. Krammer, 2003 accepted as Delicatophycus M.J.Wynne, 2019 (16)
- Genus Delicatophycus M.J.Wynne, 2019 (9)
- Genus Didymosphenia M. Schmidt in A. Schmidt et al., 1899 (1)
- Genus Encyonema Kütz., 1833 (51)
- Species Encyonema abruptirostratum D.Metzeltin, M.S.Kulikovskiy & H.Lange-Bertalot, 2012
- Species Encyonema accedens K. Krammer & H. Lange-Bertalot in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998
- Species Encyonema acquasedis Marquardt, A.Rocha & C.E.Wetzel, 2016
- Species Encyonema aequilongum Lange-Bertalot & Krammer in Krammer, 1997
- Species Encyonema affine Metzeltin & Krammer in Krammer, 1997
- Species Encyonema africanum Krammer, 1997
- Species Encyonema alpha Heinzerling, 1908
- Species Encyonema alpiniforme Krammer, 1997
- Species Encyonema alpinum (Grunow) D.G.Mann, 1990 accepted as Cymbella alpina f. alpina Grunow, 1863
- Species Encyonema alpinum (M. Heribaud), 1862
- Species Encyonema altiplanense H. Lange-Bertalot, K. Krammer & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
- Species Encyonema amanianum Krammer, 1997
- Species Encyonema amazonianum Vouilloud et al.
- Species Encyonema ampliatum Krammer & Lange-Bertalot in Krammer, 1997
- Species Encyonema andranokelynum (Manguin) Krammer, 1997 accepted as Cymbella andranokelyna var. andranokelyna Manguin in Lenoble, 1948
- Species Encyonema angustatum Marsson, 1901
- Species Encyonema angustatum Meyer, 1922
- Species Encyonema angustecapitatum Krammer, 1997
- Species Encyonema ankobraense (Foged) Krammer, 1997 accepted as Cymbella ankobraensis Foged, 1966
- Species Encyonema antogaryanum (Selva) Krammer, 1997 accepted as Cymbella antogaryana Selva, 1981
- Species Encyonema apiculatum Krammer, 1997
- Species Encyonema appalachianum M.Potapova, 2014
- Species Encyonema arcus (Ehrenberg) Ralfs in Pritchard, 1861 accepted as Gloeonema arcus Ehrenberg, 1856
- Species Encyonema attenuatum M. Peragallo in Tempère & Peragallo, 1913
- Species Encyonema aueri (Krasske) Krammer, 1997
- Species Encyonema auerswaldii Rabenhorst, 1853
- Species Encyonema bacillum Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema baicalosilesiacum Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema beta Heinzerling, 1908
- Species Encyonema biarcuatum D. Metzeltin & H. Lange-Bertalot, 2002
- Species Encyonema bipartitum (A.Mayer) Krammer, 1997 accepted as Cymbella bipartita A.Mayer, 1916
- Species Encyonema blancheanum (Maillard) Krammer, 1997 accepted as Cymbella blancheana Maillard ex Lange-Bertalot & Moser in Moser, Steindorf & Lange-Bertalot, 1995
- Species Encyonema bonapartei Heudre, C.E. Wetzel & Ector, 2016
- Species Encyonema bourrellyi D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema braunii (Hustedt) D.G.Mann, 1990 accepted as Cymbella braunii Hustedt, 1955
- Species Encyonema brehmiforme Krammer, 1997
- Species Encyonema brehmii (Hustedt) D.G.Mann, 1990 accepted as Cymbella brehmii Hustedt, 1912
- Species Encyonema brevicapitatum Krammer, 1997
- Species Encyonema brewerianum (Foged) Krammer, 1997 accepted as Cymbella breweriana Foged, 1981
- Species Encyonema burovae Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema caespitosum Kützing, 1849
- Species Encyonema caespitosum Schmidt in Schmidt et al., 1875
- Species Encyonema calciphilum C.L.Graeff & J.P.Kociolek, 2013
- Species Encyonema canadense Krammer & Lange-Bertalot in Krammer, 1997
- Species Encyonema candangense W.J.da Silva & M.G.Machado de Souza, 2015
- Species Encyonema carina Lange-Bertalot & Krammer in Krammer, 1997
- Species Encyonema caronianum Krammer, 1997
- Species Encyonema cascadense Krammer, 1997
- Species Encyonema cespitosum
- Species Encyonema chilense Krammer, 1997
- Species Encyonema confusa (Boyer) F.W. Mills, 1934 accepted as Entogonia confusa Boyer, 1922
- Species Encyonema costei D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema cristatum Frenguelli, 1933
- Species Encyonema cubanense D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema dadwinensis (Foged) Krammer, 1997 accepted as Cymbella dadwinensis Foged, 1966
- Species Encyonema densistriata E. Novelo, R. Tavera & C. Ibarra, 2007
- Species Encyonema directiforme Krammer & Lange-Bertalot in Krammer, 1997
- Species Encyonema directum (Maillard) Krammer, 1997 accepted as Cymbella directa Maillard, 1978
- Species Encyonema disjunctum E. Reichardt, 2004
- Species Encyonema distinctepunctatum Krammer, 1997
- Species Encyonema distinctum Lange-Bertalot & Krammer in Krammer, 1997
- Species Encyonema donatoi Krammer & Lange-Bertalot in Krammer, 1997
- Species Encyonema drakei L.L.Bahls, 2014
- Species Encyonema droseraphilum L.Bahls, 2013
- Species Encyonema dubium Krammer, 1997
- Species Encyonema elginense (Krammer) D.G.Mann, 1990
- Species Encyonema equalis L. Tan & B.H. Kim,
- Species Encyonema equalis L.Tan & B.H.Kim in Tan et al., 2020
- Species Encyonema erdmanense (Foged) Krammer, 1997
- Species Encyonema evergladianum Krammer, 1997
- Species Encyonema excisum (M. Peragallo & Héribaud in Héribaud) Frenguelli, 1933 accepted as Encyonema ventricosum var. excisa M. Peragallo & Héribaud in Héribaud, 1893
- Species Encyonema exuberans P.I.Tremarin, C.E.Wetzel & T.A. Veiga Ludwig, 2011
- Species Encyonema fogedii Krammer, 1997
- Species Encyonema formosum (Hustedt) D.G.Mann, 1990 accepted as Cymbella formosa Hustedt, 1955
- Species Encyonema friedelhinzae Krammer, 1997
- Species Encyonema furcata (Boyer) F.W. Mills, 1934 accepted as Entogonia furcata Boyer, 1922
- Species Encyonema gaeumannii (Meister) Krammer, 1997 accepted as Cymbella gaeumannii Meister, 1934
- Species Encyonema geisslerae Krammer, 1997
- Species Encyonema genkalii Lange-Bertalot & Krammer, 2003
- Species Encyonema gerstenbergeri Grunow, 1865
- Species Encyonema gibbum (Bailey) Krammer, 1997 accepted as Cymbella gibba Bailey, 1861
- Species Encyonema girodi Héribaud, 1902
- Species Encyonema globiferum (Agardh) Ralfs in Pritchard, 1861 accepted as Gloeonema globiferum Agardh, 1830
- Species Encyonema gracile Kirchner, 1879
- Species Encyonema gracile Rabenhorst, 1853
- Species Encyonema gracilis Yermoloff, 1948
- Species Encyonema gracilis auct. non Rabenhorst
- Species Encyonema gracillimum D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema graciloides Krammer, 1997
- Species Encyonema grandi Héribaud, 1903
- Species Encyonema groenlandica (Foged) Kulikovskiy & Lange-Bertalot, 2009 accepted as Cymbella ventricosa var. groenlandica Foged, 1953
- Species Encyonema grossestriatum (O.Müller) D.G.Mann, 1990 accepted as Cymbella grossestriata Otto Müller, 1905
- Species Encyonema guatemalense Krammer, 1997
- Species Encyonema guettingeri Krammer, 1997
- Species Encyonema hamsherae D.Winter & L.Bahls, 2013
- Species Encyonema haudelicata D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema hebridicum (Gregory) Grunow, 1891
- Variety Encyonema hebridicum var. apiculatum (Cleve-Euler) Krammer, 1997 accepted as Cymbella hebridica var. apiculata Cleve-Euler, 1939
- Forma Encyonema hebridicum f. maxima F.W. Mills, 1934
- Species Encyonema hebridiforme Krammer, 1997
- Species Encyonema heilprinense (Foged) Krammer, 1997 accepted as Cymbella heilprinensis Foged, 1955
- Species Encyonema hilliardii (Manguin) E.Y.Haworth & M.G.Kelly accepted as Cymbella hilliardii Manguin, 1961
- Species Encyonema hintzii Krammer, 1997
- Species Encyonema hoelii (Foged) Krammer, 1997 accepted as Cymbella hoelii Foged, 1964
- Species Encyonema hohnii (VanLandingham) Krammer, 1997 accepted as Cymbella hohnii VanLandingham, 1966
- Species Encyonema holmenii (Foged) Krammer, 1997 accepted as Cymbella holmenii Foged, 1955
- Species Encyonema hophense Krammer, 1997
- Species Encyonema horstii Kulikovskiy, Khursevich & Witkowski in Kulikovskiy et al., 2012
- Species Encyonema hungaricum Krammer, 1997
- Species Encyonema hustedtii Krammer, 1997
- Species Encyonema hyndmanii W.Sm.
- Species Encyonema inarense Krammer, 1997
- Species Encyonema incertum Krammer, 1997
- Species Encyonema incurvatum Krammer, 1997
- Species Encyonema indistinctum Krammer, 1997
- Species Encyonema inelegans (Cleve) F.W.Mills, 1934 accepted as Cymbella inelegans Cleve, 1894
- Species Encyonema insulum K. Krammer & H. Lange-Bertalot in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998
- Species Encyonema intermedium Héribaud, 1903
- Species Encyonema javanicum (Hustedt) D.G.Mann, 1990 accepted as Cymbella javanica Hustedt, 1938
- Species Encyonema jemtlandicum Krammer, 1997
- Species Encyonema jolmolungmensis (Jao & Lee) Li, 2007 accepted as Cymbella jolmolungmensis C.C.Jao & Y.Y.Lee, 1974
- Species Encyonema jordani (Grunow manuscript in Cleve) F.W. Mills, 1934 accepted as Cymbella jordani Grunow ex Cleve, 1894
- Species Encyonema jordaniforme Krammer, 1997
- Species Encyonema jordanii (Grunow) F.W.Mills
- Species Encyonema juriljii (Hustedt) D.G.Mann, 1990 accepted as Cymbella juriljii Hustedt, 1955
- Species Encyonema kabaniense Rodionova & Pomazkina, 2014
- Species Encyonema kalbei Krammer, 1997
- Species Encyonema kamtschaticum Krammer, 1997
- Species Encyonema keshrii S.Roy, C.Radhakrishnan, J.C.Taylor, Kulikovskiy & B.Karthick, 2020
- Species Encyonema khursevichae Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema krasskei (Krammer) Krammer, 1997 accepted as Cymbella krasskei Krammer in Krammer & Lange-Bertalot, 1985
- Species Encyonema kuelbsii Lange-Bertalot & Krammer in Krammer, 1997
- Species Encyonema kukenanum Krammer, 1997
- Species Encyonema kultukense Rodionova & Pomazkina, 2014
- Species Encyonema lacustre (C.Agardh) F.W.Mills, 1934 accepted as Schizonema lacustre C.Agardh, 1824
- Species Encyonema laeve Eichwald, 1852
- Species Encyonema lancettulum Krammer, 1997
- Species Encyonema lange-bertalotii Krammer, 1997
- Species Encyonema lapponicum (Cleve-Euler) Krammer, 1997 accepted as Cymbella aequalis var. lapponica Cleve-Euler, 1934
- Species Encyonema latareolatum Krammer, 1997
- Species Encyonema latecapitatum Krammer, 1997
- Species Encyonema late-ellipticum Rodionova & Pomazkina, 2014
- Species Encyonema latens (Krasske) D.G.Mann, 1990 accepted as Cymbella latens Krasske, 1937
- Species Encyonema latissimum Krammer, 1997
- Species Encyonema latum Krammer, 1997
- Species Encyonema latuum Krammer, 1997
- Species Encyonema leei (K.Krammer) T.Ohtsuka, M.Hanada & Y.Nakamura, 2004
- Species Encyonema lembus (Carter & Denny) Krammer, 1997 accepted as Cymbella lembus Carter & Denny, 1992
- Species Encyonema limula Stoermer & Kreis, 1978
- Species Encyonema lineolatum Krammer, 1997
- Species Encyonema lunatum (W.Smith) Van Heurck, 1896 accepted as Cymbella lunata W.Smith, 1855
- Species Encyonema lunula (Ehrenberg) Grunow, 1875 accepted as Cocconema lunula Ehrenberg, 1843
- Species Encyonema macedonicum Z.Levkov, D.Metzeltin & S.Krstic, 2006
- Species Encyonema mackayiana Tempère & M. Peragallo in Tempère & Peragallo, 1910
- Species Encyonema magnum Krammer, 1997
- Species Encyonema malaysianum Krammer, 1997
- Species Encyonema manguinii Krammer, 1997
- Species Encyonema marginestriatum Krammer & Metzeltin in Krammer, 1997
- Species Encyonema marvanii Kulikovskiy, Lange-Bertalot, Witkowski & Dorofeyuk, 2009
- Species Encyonema maximum Wartmann ex Rabenhorst, 1862
- Species Encyonema medioasiaticum Metzeltin, Lange-Bertalot & Nergui, 2009
- Species Encyonema melidense Krammer, 1997
- Species Encyonema menezesiae W.J.da Silva & M.G.Machado de Souza, 2015
- Species Encyonema menisculus Lange-Bertalot & Krammer, 2003
- Species Encyonema mesianum (Cholnoky) D.G.Mann, 1990 accepted as Cymbella mesiana Cholnoky, 1955
- Species Encyonema metzeltinii Krammer, 1997
- Species Encyonema mexicanum Krammer, 1997
- Species Encyonema microrobustum Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema minuta Hilse
- Species Encyonema minutiforme Krammer, 1997
- Species Encyonema minutum (Hilse) D.G.Mann, 1990 accepted as Cymbella minuta Hilse, 1862
- Species Encyonema mirabilis Y.V. Rodionova, G.V. Pomazkina & O.Y. Makarevich, 2013
- Species Encyonema moragoense (Foged) Krammer, 1997 accepted as Cymbella moragoensis Foged, 1966
- Species Encyonema muelleri (Hustedt) D.G.Mann, 1990 accepted as Cymbella muelleri Hustedt, 1937
- Species Encyonema natalense (Cholnoky) Krammer, 1997 accepted as Cymbella subalpina var. natalensis Cholnoky, 1957
- Species Encyonema neocaledonicum (Manguin) Krammer, 1997 accepted as Cymbella neocaledonica Manguin ex Kociolek & Reviers, 1996
- Species Encyonema neogracile Krammer, 1997
- Species Encyonema neomesianum Krammer, 1997
- Species Encyonema neomuelleri Krammer, 1997
- Species Encyonema neosubturgidum (Hustedt, 1942) Da Silva, W. J. & M. Menezes, 2016
- Species Encyonema nevadense S.Blanco, Olenici, De Vicente & F.Guerrero
- Species Encyonema nicafei S.A.Spaulding, 2010
- Species Encyonema nikulinae Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema norvegica (Grunow in A.Schmidt et al.) Bukhtiyarova, 1995 accepted as Cymbella norvegica Grunow, 1875
- Species Encyonema norvegicum (Grunow) Mayer, 1947 accepted as Cymbella norvegica Grunow, 1875
- Species Encyonema nylstroomensis (Cholnoky) Krammer, 1997 accepted as Cymbella nylstroomensis Cholnoky, 1958
- Species Encyonema obscuriforme Krammer, 1997
- Species Encyonema obscurum (Krasske) D.G.Mann, 1990 accepted as Cymbella obscura Krasske, 1938
- Species Encyonema obtusum Krammer, 1997
- Species Encyonema occlusa (Boyer) F.W. Mills, 1934 accepted as Entogonia occlusa Boyer, 1922
- Species Encyonema ochridanum Krammer, 1997
- Species Encyonema octense (Maillard) Krammer, 1997 accepted as Cymbella octensis Maillard ex Lange-Bertalot & Moser in Moser, Steindorf & Lange-Bertalot, 1995
- Species Encyonema oestrupii Krammer & Lange-Bertalot in Krammer, 1997
- Species Encyonema ostrobottnicum (Cleve-Euler) Krammer, 1997 accepted as Cymbella ostrobottnica Cleve-Euler, 1955
- Species Encyonema panamaensis H. Lange-Bertalot & D. Metzeltin, 2009
- Species Encyonema panamense Lange-Bertalot & D.Metzeltin, 2009
- Species Encyonema pankowii Lange-Bertalot & Krammer in Krammer, 1997
- Species Encyonema paradoxum Kützing, 1833
- Species Encyonema paradoxum Meneghini
- Species Encyonema parallelum M. Peragallo in Tempère & Peragallo, 1909
- Species Encyonema paratropicum D.Metzeltin & Lange-Bertalot, 2007
- Species Encyonema parvum Krammer, 1997
- Species Encyonema patagonicum Frenguelli, 1942
- Species Encyonema paucistriatum (Cleve-Euler) D.G.Mann, 1990 accepted as Cymbella paucistriata Cleve-Euler, 1934
- Species Encyonema pediculus (Kützing) H.Peragallo, 1889 accepted as Cymbella pediculus Kützing, 1844
- Species Encyonema pentoniae L.L.Bahls, 2014
- Species Encyonema perelginense Krammer, 1997
- Species Encyonema pergracile Krammer, 1997
- Species Encyonema perlangebertalotii Kulikovskiy & Metzeltin in Kulikovskiy et al., 2012
- Species Encyonema perminutum Krammer, 1997
- Species Encyonema perpusillum (Cleve) D.G.Mann, 1990 accepted as Cymbella perpusilla A.Cleve, 1895
- Species Encyonema persilesiacum Krammer, 1997
- Species Encyonema picinskae Metzeltin, Witkowski & Krammer, 2003
- Species Encyonema plenum (Skvortzow) Krammer, 1997 accepted as Cymbella plena Skvortzow, 1946
- Species Encyonema pliocenica Jouse & Seczkina, 1955
- Species Encyonema polystigmoideum Metzeltin & Krammer, 1998
- Species Encyonema ponteanum Krammer, 1997
- Species Encyonema pretoriense
- Species Encyonema procerum Krammer, 1997
- Species Encyonema proschkinae (Musafarov) Krammer, 1997
- Species Encyonema prostratum (Berkeley) Kützing, 1844 accepted as Monema prostratum Berkeley, 1832
- Species Encyonema protractum Eichwald, 1852
- Species Encyonema psammophilum (Cholnoky) Krammer, 1997 accepted as Cymbella psammophila Cholnoky, 1956
- Species Encyonema pseudocaespitosum Z.Levkov & S.Krstic, 2007
- Species Encyonema pseudogracile Krammer
- Species Encyonema pseudoincerta (Cholnoky) Krammer, 1997 accepted as Cymbella pseudoincerta Cholnoky, 1958
- Species Encyonema pseudolatens Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema pseudomuelleri Krammer, 1997
- Species Encyonema pseudoturgidum Pomazkina & Rodionova, 2014
- Species Encyonema reflexum Holmboe, 1899
- Species Encyonema reichardtii (Krammer) D.G.Mann, 1990 accepted as Cymbella reichardtii Krammer, 1985
- Species Encyonema reimeri S.A.Spaulding, J.R.Pool & S.I.Castro, 2010
- Species Encyonema rifelanum Krammer, 1997
- Species Encyonema riotecense Krammer, 1997
- Species Encyonema rostratum Krammer, 1997
- Species Encyonema rotundatum H. Peragallo in Tempère & Peragallo, 1913
- Species Encyonema rugosiforme Krammer, 1997
- Species Encyonema rugosum (Hustedt) D.G.Mann, 1990 accepted as Cymbella rugosa Hustedt, 1955
- Species Encyonema rumrichae Krammer, 1997
- Species Encyonema salamonii Metzeltin, 1998
- Species Encyonema sarsii (Foged) Krammer, 1997 accepted as Cymbella sarsii Foged, 1964
- Species Encyonema schimanskii Krammer, 1997
- Species Encyonema schneideri Krammer, 1997
- Species Encyonema schoemanii Krammer, 1997
- Species Encyonema schwabei (Foged) Krammer, 1997 accepted as Cymbella schwabei Foged, 1974
- Species Encyonema scotica (W. Smith) Yermoloff, 1918 accepted as Cymbella scotica Schmidt in Schmidt et al., 1875
- Species Encyonema semiellipticum Rodionova & Pomazkina, 2014
- Species Encyonema semilanceolatum Krammer, 1997
- Species Encyonema sibericum K.Krammer & Lange-Bertalot apud Lange-Bertalot & S.I.Genkal, 1999
- Species Encyonema sigmoides (Ehrenberg) Kützing, 1849
- Species Encyonema silesiacum (Bleisch) D.G.Mann, 1990 accepted as Cymbella silesiaca Bleisch, 1864
- Species Encyonema simile Krammer, 1997
- Species Encyonema sinense (Ehrenberg) Rabenhorst, 1864 accepted as Gloeonema sinense Ehrenberg, 1847
- Species Encyonema sinensis (Ehrenberg) Ralfs in Pritchard, 1861 accepted as Gloeonema sinense Ehrenberg, 1847
- Species Encyonema sinicum Krammer, 1997
- Species Encyonema sparsipunctatum Krammer, 1997
- Species Encyonema spiculum (Hustedt) D.G.Mann, 1990 accepted as Cymbella spicula Hustedt, 1938
- Species Encyonema spitsbergense Krammer, 1997
- Species Encyonema standeri (Cholnoky) Krammer, 1997 accepted as Cymbella standeri Cholnoky, 1957
- Species Encyonema stigmoideum Krammer, 1997
- Species Encyonema stoermeri S.A.Spaulding, J.R.Pool & S.I.Castro, 2010
- Species Encyonema stomatophorum
- Species Encyonema strictum (Cleve-Euler) Krammer, 1997 accepted as Cymbella ehrenbergii var. stricta Cleve-Euler in Cleve-Euler & Osvald, 1922
- Species Encyonema subalpinum (Hustedt) D.G.Mann, 1990 accepted as Encyonopsis subalpina (Hustedt) Krammer, 1997
- Species Encyonema subbrevistriatum Krammer, 1997
- Species Encyonema subdirectum (Maillard) Krammer, 1997 accepted as Cymbella subdirecta Maillard ex Lange-Bertalot & Moser in Moser, Steindorf & Lange-Bertalot, 1995
- Species Encyonema subelginense Krammer, 1997
- Species Encyonema subgracile Krammer, 1997
- Species Encyonema subhinzae Krammer, 1997
- Species Encyonema subjavanicum Krammer, 1997
- Species Encyonema subkukenanum Krammer, 1997
- Species Encyonema sublanceolatum Krammer
- Species Encyonema sublangebertalotii H.Lange-Bertalot & M.Cantonati, 2010
- Species Encyonema submenisculus Krammer & Lange-Bertalot, 2003
- Species Encyonema subminutum Krammer & Lange-Bertalot
- Species Encyonema subnorvegicum Krammer, 1997
- Species Encyonema subobscurum Krammer, 1997
- Species Encyonema subperpusillum Krammer, 1997
- Species Encyonema subrostrata (Boyer) F.W. Mills, 1934 accepted as Entogonia subrostrata Boyer, 1922
- Species Encyonema subrostratum Krammer, 1997
- Species Encyonema subtenerum H. Lange-Bertalot & K. Krammer in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998
- Species Encyonema subtenuissimum Krammer, 1997
- Species Encyonema subtriangulum K.Krammer, 2003 †
- Species Encyonema subtriste Krammer, 1997
- Species Encyonema subturgidum (Hustedt) D.G.Mann, 1990 accepted as Cymbella subturgida Hustedt, 1942
- Species Encyonema subturgidum Frenguelli, 1942
- Species Encyonema subventricosum (Cholnoky) Krammer, 1997 accepted as Cymbella subventricosa Cholnoky, 1957
- Species Encyonema supergracile Krammer & Lange-Bertalot, 1997
- Species Encyonema tapajoz Krammer, 1997
- Species Encyonema tasmaniense Krammer, 1997
- Species Encyonema temperei Krammer, 1997
- Species Encyonema tenera
- Species Encyonema tenerum Krammer, 1997
- Species Encyonema tengganoense (Foged) Krammer, 1997 accepted as Cymbella tengganoensis Foged, 1957
- Species Encyonema teniocephalum H. Lange-Bertalot & K. Krammer in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998
- Species Encyonema tenuissimum (Hustedt) D.G.Mann, 1990 accepted as Cymbella tenuissima Hustedt, 1942
- Species Encyonema thermale Krammer, 1997
- Species Encyonema theronii (Cholnoky) Krammer, 1997 accepted as Cymbella theronii Cholnoky, 1954
- Species Encyonema thioense H. Lange-Bertalot & K. Krammer in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998
- Species Encyonema trianguliforme Krammer, 1997
- Species Encyonema triangulum (Ehrenberg) Kützing, 1849 accepted as Gloeonema triangulum Ehrenberg, 1845
- Species Encyonema trifolium Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema triste (Krasske) Krammer, 1997
- Species Encyonema tropicum Metzeltin & Krammer in Krammer, 1997
- Species Encyonema truncatum Krammer, 1997
- Species Encyonema turgidum (Gregory) Grunow, 1875 accepted as Cymbella turgida W.Gregory, 1856
- Species Encyonema ulotrichosum Kuznetzov & Kursanov, 1927
- Species Encyonema umara (Carter) Krammer, 1997 accepted as Cymbella umara Carter & Denny, 1982
- Species Encyonema undulatum Rodionova & Pomazkina, 2014
- Species Encyonema ungeri Grunow, 1875
- Species Encyonema unipunctatum (Skvortzow) Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema usoltsevae Kulikovskiy, Metzeltin & Lange-Bert. in Kulikovskiy et al., 2012
- Species Encyonema validum Pantocsek, 1902
- Species Encyonema vanoyei (Cholnoky) Krammer, 1997 accepted as Cymbella vanoyei Cholnoky, 1954
- Species Encyonema variabile (É.Manguin) D.Metzeltin & H-Lange-Bertalot, 2007 accepted as Cymbella alpina f. variabilis Manguin, 1952
- Species Encyonema varicosum Jakchontoff, 1902
- Species Encyonema venezolanum Krammer, 1997
- Species Encyonema ventricosum (C.Agardh) Grunow, 1875 accepted as Cymbella ventricosa Kützing, 1844
- Species Encyonema ventricosum Van Heurck, 1880-1885
- Species Encyonema volkii (Rumrich, Krammer & Lange-Bertalot) Krammer, 1997 accepted as Cymbella volkii Rumrich, Krammer & Lange-Bertalot in Lange-Bertalot, 1993
- Species Encyonema vulgare Krammer, 1997
- Species Encyonema wallaceanum (Hustedt) Krammer, 1997 accepted as Cymbella wallaceana Hustedt, 1942
- Species Encyonema wallaceum
- Species Encyonema willeyorum L.L.Bahls, 2014
- Species Encyonema wojtalae Metzeltin, 1998
- Species Encyonema wydrzyckae Lange-Bertalot & Krammer, 2003
- Species Encyonema yarrense Schmidt in Schmidt et al., 1881
- Species Encyonema yellowstonianum Krammer, 1997
- Species Encyonema yucatanense Metzeltin & Krammer, 1998
- Species Encyonema yuwadeeanum Yana & Mayama, 2015
- Genus Encyonopsis K. Krammer, 1997 (144)
- Genus Gomphocymbellopsis K. Krammer, 2003 (1)
- Genus Karthickia Kociolek, Glushchenko & Kulikovskiy, 2019 (1)
- Genus Khursevichia Kulikovskiy, Lange-Bertalot & Metzeltin, 2012 (3)
- Genus Kurtkrammeria L.Bahls, 2015 (16)
- Genus Navicella K. Krammer, 1997
- Genus Navicymbula K. Krammer, 2003 (1)
- Genus Ochigma Kulikovskiy, Lange-Bertalot & Metzeltin, 2012 (3)
- Genus Oricymba I. Jüttner, K, Krammer, E.J. Cox, B. Van de Vijver & A. Tuji in Jüttner et al., 2010 (8)
- Genus Paraplaconeis Kulikovskiy, Lange-Bertalot & Metzeltin, 2012 (6)
- Genus Placoneis C. Mereschkowsky, 1903 (39)
- Genus Pseudencyonema K. Krammer, 1997
- Genus Pseudocymbopleura Pomazkina & Rodionova, 2014 (1)
- Genus Vladinikolaevia Kulikovskiy, Glushchenko, Y. Liu & Kociolek in Kulikovskiy et al., 2022 (1)
- Genus Witkowskia Kulikovskiy, Mironov, Glushchenko & Kociolek, 2024 (15)
- Genus Yasnitskya Rodionova & Pomazkina, 2014 (3)
- Family Cymbellales incertae sedis (3)
- Family Gomphonemataceae Kützing, 1844 (320)
- Family Rhoicospheniaceae Chen & Zhu, 1983 (30)
- Order Dictyoneidales
- Order Lyrellales (15)
- Order Mastogloiales (88)
- Order Naviculales (2 077)
- Order Rhopalodiales (37)
- Order Surirellales (174)
- Order Thalassiophysales (105)
- Superorder Bacillariophycidae incertae sedis (32)
- Superorder Eunotiophycanae (293)
- Subclass Coscinodiscophycidae (877)
- Subclass Fragilariophycidae (483)
- Order Centrales
