organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
     alveolates Cavalier-Smith see [unranked] Alveolata Cavalier-Smith, 1991
       Phylum Dinoflagellata Engl. (1903) see Superclass Dinoflagellata Bütschli, 1885
         Class Dinophyceae Pascher (1914)
           Order Gonyaulacales F.J.R. Taylor (1980)
             Family Cladopyxiaceae Stein (1883) see Family Cladopyxidaceae F. Stein (1883)
               Genus Amphidoma F. Stein (1883)