横裂甲藻纲
下级分类

本纲包括以下目：
Actiniscales
Akashiwales
Amphilothales
Apodiniales
嫩甲藻目 Blastodiniales
Brachidiniales
Coccidiniales
Chytriodiniaceae
Chytriodinium Chatton, 1912
Myxodinium Cachon, Cachon & Bouquaheux, 1970
Myxodinium pipiens Cachon, Cachon & Bouquaheux, 1970
Paulsenella Chatton, 1920
Euduboscquellaceae
Syndiniaceae
CochlosyndiniumE.Chatton, 1952
Hematodinium Chatton & Poisson, 1930
Merodinium Chatton, 1923
Solenodinium (Chatton) Chatton, 1952
Syndinium Chatton, 1910
Trypanodinium Chatton, 1912
鳍藻目 Dinophysiales
丝甲藻目 Dinotrichales
膝溝藻目 Gonyaulacales
裸甲藻目 Gymnodiniales
Haplozoonales
Lophodiniales
Lophodiniaceae
Aureodinium Dodge, 1967
Biecheleriopsis Moestrup, Lindberg & Daugbjerg, 2009
Biecheleriopsis adriatica
Endodinium Hovasse, 1922
Lophodinium Lemmermann, 1910
†Nannoceratopsiales
多甲藻目 Peridiniales
Phytodiniales
原甲藻目 Prorocentrales
Ptychodiscales
梨甲藻目 Pyrocystales
梨甲藻科 Pyrocystaceae
苏斯藻目 Suessiales
胚沟藻目 Thoracosphaerales
胚沟藻科 Thoracosphaeraceae
Adnatosphaeridiaceae
Adnatosphaeridium G.Williams & Downie, 1966
Amphidiniaceae
Amphidinium Claperède & Lachmann, 1859
Comparodiniaceae
Biorbifera Habib
Valvaeodinium Morgenroth
Valvaeodinium vermicylindratum Below, 1987
Cyrtolophosidiidae
Desmocapsaceae
Dinamoebidiaceae
Dinotrichaceae
Dinothrix Pascher, 1914
Dinothrix paradoxa
Dinothrix phymatodea N.Yamada et T.Horiguchi 2020
Dinothrix pseudoparadoxa N.Yamada et T.Horiguchi 2020
Dollidiniaceae
Dollidinium Helby & Stover, 1987
Horologinella I.C.Cookson & A.Eisenack, 1962
Gloeodiniaceae
Gomesiamonadaceae
Kapelodiniaceae
Kapelodinium Boutrup, Moestrup & Daugbjerg, 2016，模式属
Nannoceratopsiaceae
Nannoceratopsiella Tasch, 1963
Nannoceratopsis Deflandre, 1939
Palaeoperidinioideae
Peridiniphycidae
Stephanelytraceae
Thalassomycetaceae
Torodiniaceae Boutrup, Moestrup et Daugbjerg 2016
Torodinium Kofoid et Swezy 1921
Agrosphaera Haeckel ex Lo Bianco
Aidelocysta J.B.Riding, R.Helby & J.Stevens, 2001
Ailadinium Saburoa & Chomérat, 2014
Ailadinium reticulatum Saburova et Chomérat, 2014，模式种
Ampulladinium J.B.Riding, R.Helby & F.M.Parker, 2001
Apiculadinium J.Yu, M.Sun, S.Sun & S.Mao, 1981
Arcticacysta Sangiorgi et al., 2009
Atlanticodinium M.J.Head & F.Mantilla-Duran, 2020
Bispinodinium N.Yamada & Horiguchi, 2013
Bispinodinium angelaceum N. Yamada et Horiguchi, 2013，模式种
Bonbonadinium R.Helby & A.D.Partridge, 2001
Bourrellyella Baumeister, 1957
Calcicarpinium Deflandre, 1948
Caspidinium Marret, 2004
Cavatodissiliodinium Feist-Burkhardt & Monteil, 2001
Comparodinium Morbey, 1975
Corythodinium Loebl. & A.R.Loebl.
Costacysta C.Heilmann-Clausen & S.Van Simaeys, 2005
Cygnusicysta J.B.Riding & R.Helby, 2001
Danea Drugg, 1967
Dictyopyxidia Eisenack, 1961
Dinoasteromonas Bursa, 1971
Diplotesta Cookson & Eisenack, 1958
Disconodinium Eisenack & Cookson, 1960
Dodekovaea E.A.Molinari-Novoa & M.D.Guiry, 2021
Dodekovia G.Dörhöfer & E.H.Davies, 1980
Echinidinium Zonneveld, 1997
Fallaciodinium Harding, 1998
Fostericysta J.B.Riding, 2006
Geodinium R.Chodat, 1922
Gleba Bruguière, 1791
Glenoaulax Diesing
Glomodinium Dodekova, 1975
Glyphodinium Fresenius, 1865
Gorkadinium A.R.Loeblich Jr. & A.R.Loeblich Iii, 1966
Granoreticella Jiabo, 1978
Hadriana J.B.Riding & R.Helby, 2001
Hebecysta J.P.Bujak & Fisher
Heliodinium Alberti
Hexasphaera Keupp, 1987
Keltoidites Krutzsch & Pacltová, 1991
Kilwacysta E.Schrank, 2005
Kofoidopsis Tasch
Lobionella D.J.Batten & J.K.Lister, 1988
Lopsidinium G.Dolby, 2014
Lunatadinium W.W.Brideaux & D.J.McIntyre, 1973
Madanidinium Chomérat, 2014
Madanidinium loirii Chomérat 2014, in Chomérat & Bilien, 2014
Mikropithon J.Agelopoulos, 1967
Moestrupia G.Hansen & N.Daugbjerg, 2011
Moestrupia oblonga (J. Larsen et Patterson) G. Hansen et Daugbjerg 2011，模式种
Mombasadinium J.B.Riding & R.Helby, 2001
Nenjiangella Yuan & He, 1999
Neuffenia Brenner & Dürr, 1986
夜光藻属 Noctiluca Suriray ex Lam.
Opaeopsomus W.R.Evitt, 1972
Orobodinium Gocht & Wille, 1990
Oxhyrrhis Dujard.
Palaeoglenodinium G.Deflandre, 1935
Palaeohystrichodinium C.-Q.He, S.Z.Zhu & G.-X.Jin, 1989
Palaeosphaerium H.Górka, 1965
Palaeotetradinium G.Deflandre, 1936
Palmnickia Eisenack, 1954
Pentafidia Backhouse, 1988
Phallocysta G.Dörhöfer & E.H.Davies, 1980
Prolixosphaeridium R.J.Davey et al., 1966
Psammosa N.Okamoto, A.Horák & Keeling, 2012
Pseudadenoides F.Gómez, R.Onuma, Artigas & Horiguchi, 2015
Pseudadenoides polypyrenoides Hoppenrath, Yubuki, R.Stern et B.S.Leander 2017
Pseudodeflandrea G.Alberti, 1959
Pseudokomewuia C.-Q.He, 1980
Pseudostephodinium J.Yu et al., 1981
Pyramidodinium T.Horiguchi & C.Sukigara, 2006
Pyramidodinium spinulosum Horiguchi, Moriya, Pinto et Terada 2017
Radiozoum Mingazzini, 1904
Rosscoffia E.Balech, 1956
Semantebria Frenguelli, 1940
Sicyoideum C.-Q.He, 1980
Skuadinium J.B.Riding & R.Helby, 2001
Songiella X.K.Sun, 1994
Sphaerosperma Pouchet, 1893
Stenopyxinium G.Deflandre, 1968
Striatodinium J.B.Riding & R.Helby, 2001
Suibindia J.-X.Yu, 1982
Sverdrupiella J.P.Bujak & M.J.Fisher
Taeniophora K.W.Klement
Tetranguladinium J.X.Yu, Z.Y.Guo & S.Z.Mao, 1983
Tianjinella C.-Q.He & X.-K.Sun, 1996
Tringadinium J.B.Riding & R.Helby, 2001
Uralodinium N.K.Lebedeva, 2006
Vectensia D.J.Batten & J.K.Lister, 1988
Voodooia J.B.Riding & R.Helby, 2001
Vulcanisphaera J.Deunff, 1961
Weiachia Feist-Burkhardt, 1995
Wetzelodinium Deflandre
Wittnaudinium R.Bucefalo Palliani & J.B.Riding, 1998
Woodinia J.B.Riding & R.Helby, 2001
Xylochoarion U.Erkmen & W.A.S.Sarjeant, 1978
Zoorhabdella L.Rhumbler, 1909