Class Dinophyceae Pascher (1914)
   Order Dinophysiales Kof. (1926) see Order Dinophysales Er. Lindem. (1928)
     Family Dinophysaceae F. Stein (1883)
       Genus Sinophysis D.S. Nie & Chia C. Wang (1944)
         Sinophysis canaliculata J.-P. Quod, L. Ten-Hage, J. Turquet, G. Mascarell & A. Couté