Class Dinophyceae Pascher (1914) Order Peridiniales Haeckel (1894) Family Gonyaulacaceae Er. Lindem. (1928) Genus Protoceratium Bergh (1881) 953 Protoceratium areolatum Kofoid (1907) 954 Protoceratium pepo Kofoid & Michener 955 Protoceratium reticulatum (Claparède & Lachmann) Bütschli (1885) 956 Protoceratium spinulosum (Murray & Whitting) Schiller