Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Genus Heterocapsa F. Stein (1883), incertae sedis
       1 Heterocapsa lanceolata Iwataki & Fukuyo
       2 Heterocapsa niei (Loeblich III) Morrill & Loeblich III
       3 Heterocapsa rotundata (Lohmann) G. Hansen (1995)
       4 Heterocapsa triquetra (Ehrenb.) Stein (1883)