Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Protoperidiniaceae Balech (1988), nom. cons.
       Genus Gotoius T.H. Abé ex Matsuoka (1988)
         1158 Gotoius abei K. Matsuoka
         1159 Gotoius excentricus
         1160 Gotoius mutsuensis Ab+¬
         1161 Gotoius ostenfeldii (Steemann Nielsen) J.D. Dodge & S. Toriumi