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 Gymnodiniphycidae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993)
         Order Gymnodiniales Apstein (1909)
           Suborder Gymnodiniineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) see Order Gymnodiniales Apstein (1909)
             Family Warnowiaceae Er. Lindem. (1928)
               01 Genus Erythropsidinium P.C.Silva (1960)
               03 Genus Greuetodinium A.R. Loebl. (1980)
               05 Genus Nematodinium Kof. & Swezy (1921)
               06 Genus Nematopsides Greuet (1973)
               08 Genus Proterythropsis Kof. & Swezy (1920)
               09 Genus Protopsis Kof. & Swezy (1921) see Genus Warnowia Er. Lindem. (1928)
               10 Genus Warnowia Er. Lindem. (1928)