Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Amphidomataceae Sournia (1984)
       Genus Amphidoma F. Stein (1883)
         757 Amphidoma acuminata Stein (1883)
         758 Amphidoma caudata Halldal (1953)
         759 Amphidoma elongata Kofoid & Swezy
         760 Amphidoma nucula Stein
         761 Amphidoma steinii Schiller (1929)