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)
               Family Coccolithophoraceae Kamptner (1928) see Family Coccolithaceae Poche (1913)
                 01 Genus Coccolithus E.H.L. Schwarz (1894)
                 02 Genus Cyclococcolithina J.A. Wilcoxon (1970)
                 03 Genus Umbilicosphaera Lohmann (1902)
                 04 Genus Cruciplacolithus Hay & Mohler
                 05 Genus Neosphaera Lecal-Schlauder (1950)
                 06 Genus Oolithotus P. Reinhardt (1968)
                 07 Genus Tergestiella Kamptner (1941)
                 08 Genus Umbellosphaera Paasche (1955)
                 09 Genus Crenalithus P.H. Roth (1973)
                 10 Genus Hayaster D. Bukry (1973)