Class Dinophyceae Pascher (1914)
Count: [*] 11o;33f;117g;1550s;1ss
   Order Peridiniales Haeckel (1894)
  Count: [*] 15f;59g;728s;1ss
     Family Oxytoxaceae Er. Lindem. (1928)
    Count: [*] 8g;84s
       Genus Thecadinium Kof. & Skogsb. (1928)
      Count: [*] 5s
         Thecadinium acanthium Hoppenrath, 2000
        Count: -