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 Peridiniaceae Ehrenb. (1831)
               Subfamily †Wetzelielloideae Bujak & Davies (1983)
                 01 Genus †Apectodinium (Costa & Downie) Lentin & Williams (1977)
                 02 Genus †Charlesdowniea Lentin & Vozzhennikova (1989)
                 03 Genus †Dracodinium Gocht (1955)
                 07 Genus †Kisselovia Vozzhennikova (1963)
                 08 Genus †Rhombodinium Gocht (1955)
                 09 Genus †Wetzeliella Eisenack (1938)
                 10 Genus †Wilsonidium Lentin & G.L. Williams (1976)