膝沟藻目
下级分类

本目包括以下科：
雙頂藻科 Amphidomataceae
Amphidoma Stein, 1883
Amphidoma alata Tillmann 2018
Amphidoma cyclops Tillmann 2018
Amphidoma languida Tillmann, Salas et Elbrächter, 2012
Amphidoma nucula F.Stein
Amphidoma parvula Tillmann et Gottschling 2018
Amphidoma steini Schiller, 1929
Amphidoma trioculata Tillmann 2018
环胺藻属 Azadinium Elbrächter & Tillmann, 2009
Diplomitella P.C.Silva, 1960
Diplomitella socialis (Kent) P.C.Silva
缺網紋化石藻科 Areoligeraceae
Areoligera Lejeune-Carpentier, 1938
Atlantodinium M.Zotto, W.S.Drugg & D.Habib, 1987
Canningia Cookson & Eisenack, 1960
Cassidium Drugg, 1967
Cauveridinium Khowaja-Ateequzzaman & Jain, 1990
Chiropteridium H.Gocht, 1960
Circulodinium G.Alberti, 1961
Cyclonephelium Deflandre & Cookson, 1955
Gerdiocysta M.Liengjarern, L.Costa & C.Downie, 1980
Glaphyrocysta L.E.Stover & W.R.Evitt, 1978
Licracysta R.A.Fensome, G.R.Guerstein & G.L.Williams, 2007
Membranophoridium Gerlach, 1961
Palynodinium H.Gocht, 1970
Ramidinium G.R.Guerstein, R.A.Fensome & G.L.Williams, 1998
Renidinium P.Morgenroth, 1968
Riculacysta L.E.Stover, 1977
Schematophora G.Deflandre & I.C.Cookson
Senoniasphaera R.F.A.Clarke & J.P.Verdier, 1967
Tenua Eisenack, 1958
背洛藻科 Belodiniaceae
角甲藻科 Ceratiaceae
Ceratocoryaceae
刺板藻科 Cladopyxidaceae
从屋甲藻科 Goniodomataceae
膝沟藻科 Gonyaulacaceae
异甲藻科 Heterodiniaceae
Hystrichosphaeridiaceae
Lingulodiniaceae
Pyxidinopsis D.Habib
Sourniaea H.Gu, K.N.Mertens, Zhun Li & H.H.Shin, 2020
Sourniaea diacantha (Meunier) H.Gu, K.N.Mertens, Zhun Li et H.H.Shin, 2020
Lotharingiaceae
Lotharingia R.Below, 1990
Saxodinium R.Below, 1990
Mancodiniaceae
Ostreopsidaceae
Pareodiniaceae
Protoceratiaceae
Clathrocapsa F.Stein, 1883
Maghrebinia R.Below, 1981
Pentaplacodinium Mertens, Carbonell-Moore, Pospelova & Head, 2017
Pentaplacodinium saltonense Mertens, Carbonell-Moore, Pospelova et Head 2018
Pentaplacodinium usupianum Z.Luo, Leaw et H.Gu, 2019/20
Pterospermopsidaceae
扁甲藻科 Pyrophacaceae
Scriniocassiaceae
Shublikodiniaceae
Aiora R.J.Davey, 1978
Aptodinium
Atopodinium W.S.Drugg, 1978
Bajociana E.A.Molinari-Novoa & M.D.Guiry, 2021
Balcattia I.C.Cookson & A.Eisenack
Balteocysta L.E.Stover & W.R.Evitt
Batiacasphaera W.S.Drugg, 1970
Boreocysta Stover & Evitt
Bourkidinium Morgan, 1975
Bradleyella Woollam, 1983
Caligodinium W.S.Drugg, 1970
Capsicocysta S.A.Warny & J.H.Wrenn, 1997
Carnarvonodinium F.M.Parker, 1988
Cauca R.J.Davey & J.P.Verdier, 1971
Cerebrocysta J.P.Bujak, 1980
Chlamydophorella Cookson & Eisenack, 1958
Cirrusphaera Monteil, 1992
Cleistosphaeridium R.J.Davey et al., 1966
Cucumeridinium F.Gómez, P.López-García, H.Takayama & D.Moreira, 2015
Cucumeridinium coeruleum (Dogiel) F.Gómez, P.López-García, H.Takayama et D.Moreira 2015
Dapsilidinium J.P.Bujak, C.Downie, G.L.Eaton & G.L.Williams, 1980
Desmocysta S.Duxbury, 1983
Dilabidinium P.Morgenroth, A.T.Rahardjo & K.A.Maryunani, 2008
Dingodinium I.C.Cookson & A.Eisenack, 1958
Dissimulidinium F.E.May, J.Stevens & A.D.Partridge, 1987
Distatodinium Eaton
Dorocysta R.J.Davey, 1970
Duosphaeridium R.J.Davey & G.L.Williams, 1966
Ellipsodinium R.F.A.Clarke & J.P.Verdier, 1967
Ellipsoidictyum Klement, 1960
Elytrocysta L.E.Stover & W.R.Evitt, 1978
Epiplosphaera Klement
Exochosphaeridium R.J.Davey, 1966
Fistulacysta R.J.Davey, 1988
Flamingoia Stevens & Helby, 1987
Fusiformacysta Morgan, 1975
Gagiella Backhouse, 1988
Gardodinium G.Alberti, 1961
Goniodinium P.A.Dangeard, 1927
Grammatodinium Z.Li & H.H.Shin, 2017
Grammatodinium tongyeonginum Z.Li et H.H.Shin, 2017
Gramocysta Lund & Lund-Christensen, 1990
Hapsidaulax W.A.S.Sarjeant, 1975
Heslertonia W.A.S.Sarjeant, 1966
Hurlandsia J.K.Lister & D.J.Batten, 1988
Impletosphaeridium P.Morgenroth, 1966
Indodinium A.Kumar, 1986
Javadinium P.Morgenroth, A.T.Rahardjo & K.A.Maryunani, 2008
Labyrinthodinium Piasecki, 1980
Lacunodinium He, 1984
Laticavodinium G.J.Wilson & W.A.S.Sarjeant, 1984
Levisphaera R.J.Davey, 1988
Membranilarnacia Eisenack, 1963
Mendicodinium P.Morgenroth, 1970
Microsphaeridium P.N.von Benedek, 1972
Minisphaeridium Fensome, Williams & MacRae, 2009
Montanarocysta D.Corradini, 1973
Mooradinium Backhouse, 1988
Moorodinium Backhouse, 1988
Neosphaerodictyon Slimani, 2003
Omatidium B.Courtinat, 1980
Pannosiella D.J.Batten & J.K.Lister, 1988
Papuadinium R.J.Davey, 1988
Parvocavatus G.U.Gitmez, 1970
Parvulodinium L.Dodekova, 1975
Paucibucina Jiabo, 1978
Paucisphaeridium J.P.Bujak, C.Downie, G.L.Eaton & G.L.Williams, 1980
Peridictyocysta I.C.Cookson & A.Eisenack, 1974
Phanerodinium Deflandre
Polygonifera D.Habib, 1972
Productodinium R.J.Davey, 1988
Pseudothecadinium Hoppenrath & Selina, 2006
Raetiaedinium Kirsch, 1991
Raphidodinium G.Deflandre, 1936
Resticulasphaera Harding, 1990
Reticulatosphaera K.Matsuoka, 1983
Rhiptocorys Lejeune-Carpentier & Sarjeant, 1983
Romanodinium N.Baltes, 1971
Sahulidinium L.E.Stover & R.Helby, 1987
Sokolovidinium J.K.Lentin & T.F.Vozzhennikova, 1990
Spiniferopsis He, 1984
Tanyosphaeridium R.J.Davey & G.L.Williams, 1966
Tetrachacysta Backhouse, 1988
Trigonopyxidia I.C.Cookson & A.Eisenack, 1961
Valensiella Eisenack, 1963
Warrenia Monteil, 1992
Xiphophoridium Sarjeant, 1966