Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Gonyaulacaceae Er. Lindem. (1928)
       63 Genus Alexandrium Halim (1960)
       64 Genus Amylax Meunier (1910)
       65 Genus Gonyaulax Diesing (1866)
       66 Genus Lingulodinium D. Wall (1967)
       67 Genus Protoceratium Bergh (1881)