Class Dinophyceae Pascher (1914) Order Gymnodiniales Apstein (1909) Family Polykrikaceae Kof. & Swezy (1921) see Family Gymnodiniaceae Lank. (1885) Genus Pheopolykrikos Chatton (1933) 1 Pheopolykrikos beauchampii Chatton 2 Pheopolykrikos hartmannii (Zimmermann) Matsuoka & Fukuyo