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)
             1 Order Isochrysidales Pascher (1910) see Order Isochrysidales Pascher sensu Edvardsen & Eikrem (2000)
             2 Order Coccosphaerales Haeckel (1894)
             3 Order Prymnesiales Papenfuss (1955)
             4 Order Pavlovales J.C. Green (1976)