膝沟藻科
下级分类

本科包括以下属：
Acanthaulax Sarjeant, 1968
Acanthogonyaulax (Kofoid) Graham, 1942
Achilleodinium G.L.Eaton, 1976
Achomosphaera Evitt, 1963
Actinotheca Cookson & Eisenack
Aireiana Cookson & Eisenack
Aldorfia L.E.Stover & W.R.Evitt, 1978
Ambonosphaera R.A.Fensome, 1979
Amiculosphaera R.Harland, 1979
Amphorosphaeridium R.J.Davey
Amphorulacysta Y.-Y.Chen, 2013
Amylax Meunier, 1910
Apteodinium Eisenack, 1958
Arachnodinium Wilson & Clowes, 1982
Araneosphaera Eaton
Archeotectatum D.Habib, 1972
Areosphaeridium G.L.Eaton, 1971
Ataxiodinium Reid
Avellodinium Blackhouse, 1988
Avellodinium S.Duxbury, 1977
Bacchidinium R.J.Davey, 1979
Barbatacysta Courtinat, 1989
Belodinium I.C.Cookson & A.Eisenack, 1960
Belowicysta J.B.Riding & G.Zijlstra, 2006
Bitectatodinium G.J.Wilson, 1973
Caledonidinium Reid, 1974
Carpatella A.S.Grigorovitch, 1970
Carpodinium I.C.Cookson & A.Eisenack, 1962
Cassiculosphaeridia R.J.Davey, 1969
Catastomocystis C.Singh, 1983
Cernicysta L.E.Stover & R.Helby, 1987
Chathrocysta F.Stein, 1883
Chytroeisphaeridia (Sarjeant) Downie, Evitt & Sarjeant, 1963
Clathroctenocystis V.D.Wiggins, 1972
Cometodinium G.Deflandre & Courteville, 1940
Compositosphaeridium L.Dodekova, 1974
Coniferatium J.D.Burgess
Conneximura F.May, 1980
Conosphaeridium Cookson & Eisenack, 1969
Cordosphaeridium Eisenack, 1963
Coronifera Cookson & Eisenack
Corradinisphaeridium Masure, 1986
Corrudinium Stover & Evitt
Cousteaudinium L.de Verteuil & G.Norris, 1996
Cribroperidinium J.Neale & Sarjeant, 1962
Cryptarchaeodinium G.Deflandre
Ctenidodinium Deflandre
Cymososphaeridium R.J.Davey, 1982
Damassadinium R.A.Fensome, F.J.R.Taylor, G.Norris, W.A.S.Sarjeant, D.I.Wharton & G.L.Williams, 1993
Danea P.Morgenroth, 1968
Diacanthum D.Habib
Dichadogonyaulax W.A.S.Sarjeant
Dimidium M.A.Pearce, 2010
Diphasiosphaera S.Duxbury, 1980
Diphyes Cookson, 1965
Disphaerogena D.Wetzel, 1933
Dissiliodinium W.S.Drugg, 1978
Durotrigia D.Bailey, 1987
Eatonicysta L.E.Stover & W.R.Evitt, 1978
Ectosphaeropsis L.Londeix & Jan du Chêne, 1988
Edwardsiella G.J.M.Versteegh & D.Zevenboom, 1995
Egmontodinium G.U.Gitmez & W.A.S.Sarjeant, 1972
Emmetrocysta L.E.Stover, 1975
Emslandia Gerlach, 1961
Endoscrinium Klement, 1960
Energlynia W.A.S.Sarjeant, 1976
Eodinia Eisenack
Epitricysta L.E.Stover & R.Helby, 1987
Escharisphaeridia U.Erkmen & W.A.S.Sarjeant, 1980
Evittosphaerula S.B.Manum, 1979
Exiguisphaera S.Duxbury, 1979
Fibrocysta L.E.Stover & W.R.Evitt, 1978
Filisphaera J.P.Bujak, 1984
Florentinia R.J.Davey & J.P.Verdier, 1973
Foucheria Monteil, 1992
Frigatadinium J.B.Riding, 2004
Furzidinium Stancliffe, 1991
Fusigonyaulax C.A.Kofoid, 1911
Galeacysta D.Corradini & U.Biffi, 1988
Gelatia J.P.Bujak, 1984
Glaphyrosphaera P.Schiøler & G.J.Wilson, 1994
Glossodinium N.S.Ioannides, G.N.Stavrinos & C.Downie, 1977
Gongylodinium J.P.G.Fenton, R.Neves & K.M.Piel, 1980
Gonyaulacysta Deflandre, 1964
膝沟藻属 Gonyaulax Diesing, 1866
Gordiacysta Miles, 1990
Habibacysta M.J.Head, G.Norris & P.J.Mudie, 1989
Hafniasphaera J.M.Hansen, 1977
Hapsocysta R.J.Davey, 1979
Helbydinium Snape, 1992
Heliodinium Alberti
Hemiplacophora I.C.Cookson & A.Eisenack, 1965
Hemisphaeridium J.P.Bujak, 1980
Herendeenia V.D.Wiggins, 1969
Heterosphaeridium I.C.Cookson & A.Eisenack, 1969
Hexasphaera Clarke & Verdier
Histiophora K.W.Klement, 1960
Hurunuia Wilson, 1984
Hystrichodinium G.Deflandre, 1935
Hystrichokolpoma Klumpp, 1953
Hystrichosphaera O.Wetzel, 1933
Hystrichosphaerina G.Alberti, 1961
Hystrichosphaeropsis G.Deflandre, 1935
Hystrichostrogylon Agelopoulos, 1964
Ifecysta Jan du Chêne & Adediran, 1985
Impagidinium L.E.Stover & W.R.Evitt, 1978
Invertocysta L.E.Edwards, 1985
Isthmocystis S.Duxbury, 1979
Kaiwaradinium Wilson, 1978
Kallosphaeridium J.De Coninck, 1969
Kenleyia Cookson & Eisenack
Kiokansium Below, 1982
Kiokansium Stover & Evitt
Kipatimudinium E.Samwel Msaky, 2011
Kleithriasphaeridium R.J.Davey, 1974
Komewuia Cookson & Eisenack
Korystocysta Woollam, 1983
Lagenorhytis S.Duxbury, 1979
Lanterna L.Dodekova, 1969
Leptodinium K.W.Klement, 1960
Liesbergia Berger, 1986
Limbodinium J.B.Riding, 1987
Lingulodinium D.Wall, 1967
Lithodinia Eisenack, 1935
Litosphaeridium R.J.Davey & G.L.Williams, 1966
Lophocysta S.B.Manum, 1979
Meiourogonyaulax Sarjeant, 1966
Melitasphaeridium Harland & Hill, 1979
Meristaulax W.A.S.Sarjeant, 1984
Millioudodinium Stover & Evitt, 1978
Mosaicodinium Dodekova, 1990
Muraticysta M.J.Head, G.Norris & P.J.Mudie, 1989
Muratodinium W.S.Drugg, 1970
Nelchinopsis V.Wiggins
Nematosphaeropsis Deflandre & Cookson, 1955
Neodiacrodium V.A.Fedorova-Shakhmundes, 1976
Nexosispinum R.J.Davey, 1979
Occisucysta G.U.Gitmez, 1970
Ochetodinium S.P.Damassa, 1979
Okerisphaeridium Kunz, 1990
Oligokolpoma R.A.Fensome, G.L.Williams & R.A.MacRae, 2009
Oligosphaeridium R.J.Davey & G.L.Williams, 1966
Omatia I.C.Cookson & A.Eisenack
Operculodinium D.Wall, 1967
Palaecysta Y.-Y.Chen, 2013
Palaeotaeniophora E.A.Molinari-Novoa & M.D.Guiry, 2021
Palmnickia Eisenack, 1954
Pandadinium Courtinat, 1989
Paraireiana He, 1984
Pentadinium E.Gerlach
Perisseiasphaeridium R.J.Davey & G.L.Williams, 1966
Pervosphaeridium H.-S.Yun, 1981
Pilosidinium Courtinat, 1989
Polystephanephorus W.A.S.Sarjeant, 1961
Polystephanosphaera W.A.S.Sarjeant, 1960
Prionodinium H.A.Leffingwell & R.P.Morgan, 1977
原角藻属 Protoceratium Bergh, 1881
Protoceratium areolatum Kofoid, 1907
网状原角藻 Protoceratium reticulatum (Claparède & Lachmann) Bütschli, 1885
Protoceratium spinulosum (G.Murray & F.Whitting) J.Schiller
Protoellipsodinium R.J.Davey & J.P.Verdier, 1971
Psaligonyaulax W.A.S.Sarjeant, 1966
Pterocysta A.Rochon, 2002
Pterodinium Eisenack, 1958
Pyxidinopsis D.Habib
Rhynchodiniopsis G.Deflandre, 1935
Rigaudella R.Below, 1982
Rotosphaeropsis R.J.Davey, 1988
Rottnestia I.C.Cookson & A.Eisenack, 1961
Samlandia A.Eisenack, 1954
Saturnodinium H.Brinkhuis, A.J.Powell & D.Zevenboom, 1992
Scriniodinium Klement, 1957
Sentusidinium W.A.S.Sarjeant & L.E.Stover, 1978
Silicisphaera R.J.Davey & J.P.Verdier, 1976
Sirmiodiniopsis W.S.Drugg, 1978
Sirmiodinium G.Alberti, 1961
Spiniferella L.E.Stover & J.Hardenbol, 1994
Spiniferites G.A.Mantell, 1850
Spongodinium G.Deflandre, 1936
Stanfordella J.Helenes & J.Lucas-Clark, 1997
Stephodinium G.Deflandre
Stiphrosphaeridium R.J.Davey, 1982
Stoveracysta Clowes, 1985
Subathua A.K.Khanna & H.P.Singh, 1980
Surculosphaeridium R.J.Davey et al., 1966
Systematophora Klement, 1960
Tapeinosphaeridium N.S.Ioannides, G.N.Stavrinos & C.Downie
Tectatodinium D.Wall, 1967
Tehamadinium Jan du Chêne, Becheler, Helenes & Masure, 1986
Thalassiphora A.Eisenack & H.Gocht, 1960
Thompsodinium Bourrelly, 1970
Trabeculidium S.Duxbury, 1980
Triblastula O.Wetzel, 1933
Trichodinium Eisenack & Cookson, 1960
Trioperculodinium W.S.Drugg
Triphragmadinium S.Van Simaeys, D.Munsterman & H.Brinkhuis, 2005
Tubotuberella Vozzhennikova
Turbiosphaera Archangelsky
Unipontidinium Wrenn, 1988
Vexillocysta Harding, 1990
Virgodinium M.Sütoné Szentai, 2010
Wanaea Cookson & Eisenack
Whitecliffia M.A.Pearce, 2010
Wigginsiella Lucas-Clark, 1987
Wilsonisphaera Slimani, 1994
Xenicodinium Klement, 1960
Yalkalpodinium Morgan, 1979