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 Rhabdosphaeraceae Lemmermann (1908) Genus Papposphaera K. Tangen (1972)