[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Prymnesiophyceae D.J. Hibberd (1976) see Class Coccolithophyceae Rothm. (1951)
       Order Coccosphaerales Haeckel (1894)
         1 Family Calciosoleniaceae Kamptner (1927)
         2 Family Pontosphaeraceae Lemmermann (1908)
         3 Family Rhabdosphaeraceae Lemmermann (1908)