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)
               1 Genus Cladopyxis F. Stein (1883)
               2 Genus Micracanthodinium Deflandre (1937)
               3 Genus Amphidoma F. Stein (1883)
               4 Genus Palaeophalacroma J. Schiller (1928)