Division Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
   Subdivision Dinokaryota Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Superclass Dinokaryota Fensome et al., 1993
     Class Dinophyceae Pascher (1914)
       Subclass Peridiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
         Order Peridiniales Haeckel (1894)
           Suborder Peridiniineae Poche (1913) see Order Peridiniales Haeckel (1894)
             Family Congruentidiaceae J. Schiller (1935), nom. rej. see Family Protoperidiniaceae Balech (1988), nom. cons.
               Subfamily Congruentidioideae J. Schiller (1935) see Subfamily Protoperidinioideae
                 01 Genus Archaeperidinium Jørg. (1912)
                 02 Genus †Brigantedinium Reid (1977)
                 03 Genus †Capillicysta Matsuoka & Bujak (1987)
                 04 Genus Congruentidium T.H. Abé (1927) see Genus Protoperidinium Bergh (1881)
                 05 Genus †Cristadinium Head, Norris & Mudie (1989)
                 06 Genus †Deflagymnium Olaru (1978)
                 07 Genus †Gerlachidium Benedek & Sarjeant (1981)
                 08 Genus †Leipokatium Bradford (1975)
                 09 Genus †Lejeunecysta Artzner & Dörhöfer (1978)
                 11 Genus Minuscula M. Lebour (1925) see Genus Protoperidinium Bergh (1881)
                 12 Genus †Multispinula Bradford (1975)
                 13 Genus †Omanodinium Bradford (1975)
                 14 Genus †Phelodinium Stover & Evitt (1978)
                 16 Genus Protoperidinium Bergh (1881)
                 17 Genus †Pseudoalterbia Mao & Norris (1988)
                 18 Genus †Quinquecuspis Harland (1977)
                 19 Genus †Selenopemphix Benedek (1972)
                 20 Genus †Stelladinium Bradford (1975)
                 21 Genus †Trinovantedinium Reid (1977)
                 22 Genus †Votadinium Reid (1977)
                 23 Genus †Xandarodinium Reid (1977)