Phylum Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
   Subphylum Dinokaryota Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
     Class Dinophyceae Pascher (1914)
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
         01 Order Gonyaulacales F.J.R. Taylor (1980)
         02 Order Peridiniales Haeckel (1894)
         03 Family †Comparodiniaceae Vozzhennikova (1979), incertae sedis
         04 Family Oxytoxaceae Er. Lindem. (1928), incertae sedis [monotypic]
         05 Family Centrodiniaceae Hernández-Becerril (2010), incertae sedis [monotypic] see Family Goniodomataceae Er. Lindem. (1928)
         06 Family †Stephanelytraceae Stover, Sarjeant & Drugg (1977), incertae sedis
         07 Family †Dollidiniaceae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993), incertae sedis
         08 Genus Adenoides Balech (1956), incertae sedis
         09 Genus Amyloodinium E.-M. Br. & Hovasse (1946), incertae sedis
         10 Genus †Apiculadinium Jingxian Yu, Mongrong Sun, Suying Sun & Shaozhi Mao (1981), incertae sedis
         11 Genus †Aquadulcum Harland & Sarjeant (1970), incertae sedis
         12 Genus Archaeosphaerodiniopsis Rampi (1943), incertae sedis
         13 Genus Azadinium Elbr. & Tillmann (2009), incertae sedis
         14 Genus Dinosphaera Kof. & J.R. Michener (1912), incertae sedis
         15 Genus †Dodekovia Dörhöfer & Davies (1980), incertae sedis
         16 Genus †Gorkadinium Loebl. & A.R. Loebl. (1966), incertae sedis
         17 Genus †Hebecysta Bujak & Fisher (1976), incertae sedis
         18 Genus †Heibergella Bujak & Fisher (1976), incertae sedis
         19 Genus Heteraulacus Diesing (1850), nom. rej. prop., incertae sedis see Genus Scrippsiella Balech ex A.R. Loebl. (1965)
         20 ?Genus †Lobionella Batten & Lister (1988)
         21 Genus †Lunatadinium Brideaux & McIntyre (1973), incertae sedis
         22 Genus Melanodinium J. Schiller (1935), incertae sedis see Genus Gonyaulax Diesing (1866)
         23 Genus †Mikropithon Agelopoulos (1967), incertae sedis
         24 Genus †Muiriella Churchill & Sarjeant (1962), incertae sedis
         25 Genus †Neuffenia Brenner & Dürr (1986), incertae sedis
         26 Genus †Opaeopsomus Pocock (1972), incertae sedis
         27 ?Genus †Orobodinium Gocht & Wille (1990)
         28 Genus †Palaeoglenodinium Deflandre (1935), incertae sedis
         29 Genus †Palaeohystrichodinium Chengquan He, Shenzhao Zhu & Guangxing Jin (1989), incertae sedis
         30 Genus †Palaeosphaerium Górka (1965), incertae sedis
         31 Genus †Palaeotetradinium Deflandre (1936), incertae sedis
         32 Genus †Pentafidia Backhouse (1988), incertae sedis
         33 Genus †Phallocysta Dörhöfer & Davies (1980), incertae sedis
         34 Genus †Pseudodeflandrea Alberti (1959), incertae sedis
         35 Genus †Pseudokomewuia Chengquan He (1980), incertae sedis
         36 Genus †Pseudostephodinium Jingxian Yu, Mongrong Sun, Suying Sun & Shaozhi Mao (1981), incertae sedis
         37 Genus Roscoffia Balech (1956), incertae sedis
         38 Genus †Stenopyxinium Deflandre (1968), incertae sedis
         39 Genus †Sverdrupiella Bujak & Fisher (1976), incertae sedis
         40 ?Genus †Tetranguladinium Jingxian Yu, Mongrong Sun, Suying Sun & Shaozhi Mao (1983)
         41 Genus Thompsodinium Bourr. (1970), incertae sedis
         42 Genus †Vectensia Batten & Lister (1988), incertae sedis