Class Dinophyceae Pascher (1914)
   Order Gymnodiniales Apstein (1909)
     Family Gymnodiniaceae Lank. (1885)
       Genus Amphidinium Clap. & J. Lachm. (1859)
         Amphidinium cristatum D. Ballantine, in M. Parke & P.S. Dixon, 1964