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) Order Thoracosphaerales Tangen (1982), incertae sedis [monotypic] see Order Peridiniales Haeckel (1894) Family Thoracosphaeraceae J. Schiller (1930) ?Genus †Schizosphaerella Deflandre & P.J.L. Dang. (1938)