Class Dinophyceae Pascher (1914)
   Order Brachidiniales A.R. Loebl. ex Sournia (1984)
     Family Brachidiniaceae Sournia (1972)
       Genus Brachidinium F.J.R. Taylor (1963)
         09 Brachidinium brevipes Sournia (1972)
         10 Brachidinium capitatum F.J.R. Taylor (1963)
         11 Brachidinium taylorii Sournia (1972)