Class Dinophyceae Pascher (1914) Order Peridiniales Haeckel (1894) Family Gonyaulacaceae Er. Lindem. (1928) Genus Protoceratium Bergh (1881) 1 Protoceratium areolatum Kofoid (1907) 2 Protoceratium pepo Kofoid & Michener 3 Protoceratium reticulatum (Claparède & Lachmann) Bütschli (1885) 4 Protoceratium spinulosum (Murray & Whitting) Schiller