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 Glenodiniineae Fensome, F.J.R. Taylor, G. Norris, Sarjeant, Wharton & G.L. Williams (1993) [monotypic]
see Order Thoracosphaerales Tangen (1982)
Family Glenodiniaceae Wiley & Hickson (1909)
1 Genus Glenodinium Ehrenb. (1836)
2 Genus Glenodiniopsis Wolosz. (1916)