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 Dinophysiphycidae Möhn ex Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) Order †Nannoceratopsiales Piel & Evitt (1980) [monotypic] Family †Nannoceratopsiaceae Gocht (1970) [monotypic] 1 Genus †Nannoceratopsis Deflandre (1939)