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 Heterodendraceae
                 Genus Heterodendron Steinecke, 818,