Class Dinophyceae Pascher (1914)
   Order Gymnodiniales Apstein (1909)
     Family Gymnodiniaceae Lank. (1885)
       19 Genus Akashiwo Gert Hansen & Moestrup (2000)
       20 Genus Amphidinium Clap. & J. Lachm. (1859)
       21 Genus Cochlodinium F. Schütt (1896)
       22 Genus Gymnodinium F. Stein (1878)
       23 Genus Gyrodinium Kof. & Swezy (1921)
       24 Genus Karenia Gert Hansen & Moestrup (2000)
       25 Genus Karlodinium J. Larsen (2000)
       26 Genus Katodinium Fott (1957)
       27 Genus Lepidodinium M. Watanabe, S. Suda, I. Inouye, T. Sawaguchi & M. Chihara (1990)
       28 Genus Pheopolykrikos Chatton (1933)
       29 Genus Plectodinium Biecheler (1934)
       30 Genus Takayama de Salas, Bolch, L. Botes & Hallegr. (2003)
       31 Genus Torodinium Kof. & Swezy (1921)