Class Dinophyceae Pascher (1914) Order Gymnodiniales Apstein (1909) Family Polykrikaceae Kof. & Swezy (1921) see Family Gymnodiniaceae Lank. (1885) Genus Polykrikos Buetschli (1873) 1 Polykrikos kofoidii Chatton 2 Polykrikos schwartzii Bütschli