Class Dinophyceae Pascher (1914)
   Order Gymnodiniales Apstein (1909)
     Family Gymnodiniaceae Lank. (1885)
       Genus Amphidinium Clap. & J. Lachm. (1859)
         01 Amphidinium acutissimum Schiller (1932)
         02 Amphidinium acutum Lohmann
         03 Amphidinium carterae Hulburt (1957)
         04 Amphidinium conus Schiller (1928)
         05 Amphidinium crassum Lohmann (1908)
         06 Amphidinium cucurbitella Kofoid & Swezy
         07 Amphidinium curvatum Schiller
         08 Amphidinium extensum Wulff
         09 Amphidinium flagellans Schiller
         10 Amphidinium glaucum Conrad (1926)
         11 Amphidinium globosum Schröder
         12 Amphidinium hyalinum Entz
         13 Amphidinium inflatum Kofoid
         14 Amphidinium kesslitzi Schiller see Amphidinium kesslitzii Schiller (1928)
         15 Amphidinium lacustriforme Schiller
         16 Amphidinium lanceolatum Schröder
         17 Amphidinium latum Lebour (1925)
         18 Amphidinium lissae Schiller
         19 Amphidinium oceanicum Lohmann
         20 Amphidinium operculatum Claparède & Lachmann (1859)
         21 Amphidinium ovoideum (Lemmermann) Lemmermann (1900)
         22 Amphidinium pellucidum Herdman (1922)
         23 Amphidinium roseolum (Schmarda) Schiller
         24 Amphidinium schroederi Schiller
         25 Amphidinium sphenoides Wulff (1916)
         26 Amphidinium stigmatum Schiller
         27 Amphidinium turbo Kofoid & Swezy
         28 Amphidinium vasculum Kofoid & Swezy
         29 Amphidinium vigrense Woloszynska (1925)