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)
         Order Gonyaulacales F.J.R. Taylor (1980)
           Suborder Gonyaulacineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
             Family Gonyaulacaceae Er. Lindem. (1928)
               Subfamily †Leptodinioideae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
                 01 Genus †Leptodinium Klement (1960)
                 02 Genus †Acanthaulax Sarjeant (1968)
                 03 Genus †Ambonosphaera Fensome (1979)
                 04 Genus †Amphorula Dodekova (1969)
                 05 Genus †Areosphaeridium Eaton (1971)
                 06 Genus †Carpodinium Cookson & Eisenack (1962)
                 07 Genus †Cernicysta Stover & Helby (1987)
                 08 ?Genus †Clathroctenocystis Wiggins (1972)
                 09 ?Genus †Conosphaeridium Cookson & Eisenack (1969)
                 10 Genus †Ctenidodinium Deflandre (1939)
                 11 Genus †Cymososphaeridium Davey (1982)
                 12 Genus †Diacanthum Habib (1972)
                 13 Genus †Dichadogonyaulax Sarjeant (1966)
                 14 Genus †Durotrigia Bailey (1987)
                 15 Genus †Eatonicysta Stover & Evitt (1978)
                 16 ?Genus †Egmontodinium Gitmez & Sarjeant (1972)
                 17 Genus †Emmetrocysta Stover (1975)
                 18 Genus †Endoscrinium (Klement) Vozzhennikova (1967)
                 19 ?Genus †Energlynia Sarjeant (1976)
                 20 Genus †Eodinia Eisenack (1936)
                 21 Genus †Herendeenia Wiggins (1969)
                 22 Genus †Kleithriasphaeridium Davey (1974)
                 23 Genus †Lanterna Dodekova (1969)
                 24 Genus †Limbodinium Riding (1987)
                 25 Genus †Lithodinia Eisenack (1935)
                 26 ?Genus †Litosphaeridium Davey & Williams (1966)
                 27 Genus †Lophocysta Manum (1979)
                 28 Genus †Meiourogonyaulax Sarjeant (1966)
                 29 Genus †Occisucysta Gitmez (1970)
                 30 ?Genus †Ochetodinium Damassa (1979)
                 31 Genus †Oligosphaeridium Davey & Williams (1966)
                 32 Genus †Omatia Cookson & Eisenack (1958)
                 33 ?Genus †Perisseiasphaeridium Davey & Williams (1966)
                 34 Genus †Rhynchodiniopsis Deflandre (1935)
                 35 Genus †Rigaudella Below (1982)
                 36 Genus †Rotosphaeropsis Davey (1988)
                 37 Genus †Sirmiodinium Alberti (1961)
                 38 ?Genus †Stiphrosphaeridium Davey (1982)
                 39 Genus †Systematophora Klement (1960)
                 40 Genus †Tehamadinium Jan du Chêne, Becheler, Helenes & Masure (1986)
                 41 ?Genus †Wanaea Cookson & Eisenack (1958)