Class Dinophyceae Pascher (1914)
Status: extant
   Order Gymnodiniales Apstein (1909)
  Status: extant
     Family Gymnodiniaceae Lank. (1885)
    Status: extant
       Genus Gyrodinium Kof. & Swezy (1921)
      Status: extant
         Gyrodinium ochraceum Kofoid & Swezy
        Status: extant