Class Dinophyceae Pascher (1914)
Count: [*] 11o;33f;117g;1550s;1ss
   Order Gymnodiniales Apstein (1909)
  Count: [*] 4f;20g;443s
     Family Gymnodiniaceae Lank. (1885)
    Count: [*] 13g;403s
       Genus Gyrodinium Kof. & Swezy (1921)
      Count: [*] 87s
         Gyrodinium chiasmonetrium Norris (1961)
        Count: -