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) 1 Family Cladopyxiaceae Stein (1883) see Family Cladopyxidaceae F. Stein (1883) 2 Family Gonyaulacaceae Er. Lindem. (1928) 3 Family Ceratocoryaceae Er. Lindem. (1928) see Family Ceratocorythaceae Er. Lindem. (1928) 4 Family Ceratiaceae Kof. (1907) 5 Family Goniodomaceae Er. Lindem. (1928) see Family Goniodomataceae Er. Lindem. (1928) 6 Family Pyrocystaceae (F. Schütt) Lemmerm. (1899) 7 Family Heterodiniaceae Er. Lindem. (1928) 8 Family Crypthecodiniaceae Biecheler ex Chatton (1952)