Class Dinophyceae Pascher (1914)
   Order Peridiniales Haeckel (1894)
     Family Gonyaulacaceae Er. Lindem. (1928)
       Genus Gonyaulax Diesing (1866)
         Gonyaulax elongata (Reid) Ellegaard, Daugbjerg, Rochon, J. Lewis & Harding (2003)