Class Dinophyceae Pascher (1914)
Status: extant
   Order Dinophysiales Kof. (1926) see Order Dinophysales Er. Lindem. (1928)
  Status: extant
     Family Dinophysaceae F. Stein (1883)
    Status: extant
       Genus Dinophysis Ehrenb. (1839)
      Status: extant
         Dinophysis swezyae Kofoid & Skogsberg (1928)
        Status: extant