Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Peridiniaceae Ehrenb. (1831)
       Genus Bysmatrum M.A. Faust & Steid. (1998)
         Bysmatrum granulosum L. Ten-Hage, J.P. Quod, J. Turquet & A. Couté