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 Xanthophyceae P. Allorge ex Fritsch (1935) - yellow-green algae Order Tribonematales Pascher (1939) Family Heteropediaceae Hibberd (1982) Genus Heterococcus R. Chodat (1907)