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 Peridiniales Haeckel (1894) Suborder Peridiniineae Poche (1913) see Order Peridiniales Haeckel (1894) Family Peridiniaceae Ehrenb. (1831) Subfamily †Wetzelielloideae Bujak & Davies (1983) 1 Genus †Wetzeliella Eisenack (1938) 2 Genus †Apectodinium (Costa & Downie) Lentin & Williams (1977) 3 Genus †Charlesdowniea Lentin & Vozzhennikova (1989) 4 Genus †Dracodinium Gocht (1955) 5 Genus †Kisselovia Vozzhennikova (1963) 6 Genus †Rhombodinium Gocht (1955) 7 Genus †Wilsonidium Lentin & G.L. Williams (1976)