living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Thallobionta
         Division Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud.
           Class Prymnesiophyceae D.J. Hibberd (1976) see Class Coccolithophyceae Rothm. (1951)
             Order Coccosphaerales Haeckel (1894)
               01 Family Zygodiscaceae Hay & Mohler (1967)
               02 Family Calciosoleniaceae Kamptner (1927)
               03 Family Pontosphaeraceae Lemmermann (1908)
               04 Family Syracosphaeraceae Hay (1977)
               05 Family Helicosphaeraceae Black (1971)
               06 Family Coccolithophoraceae Kamptner (1928) see Family Coccolithaceae Poche (1913)
               07 Family Rhabdosphaeraceae Lemmermann (1908)
               08 Family Braarudosphaeraceae Deflandre (1947)
               09 Family Calyptrosphaeraceae Boudreaux & Hay (1969)
               10 Family Halopappaceae Kamptner (1928)
               11 Family Ceratolithaceae Norris (1965)