organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Count: - Domain eukaryotes see Domain Eukaryota Chatton, 1925 Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g flagellated protists Count: 2p;5c;16o;45f;366g; †1g Order Prymnesiida Cavalier-Smith see Phylum Haptophyta D.J. Hibberd ex Edvardsen & Eikrem (2000) Count: 21g Suborder Prymnesiina Cavalier-Smith see Class Prymnesiophyceae D.J. Hibberd (1976) Count: 19g Genus Syracosphaera Lohmann (1902) Count: -