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 Thoracosphaerales Tangen (1982) see Order Peridiniales Haeckel (1894) Family Thoracosphaeraceae J. Schiller (1930) 1 Genus Thoracosphaera Kamptner (1927)