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 Rhodophycota see Phylum Rhodophyta Wettst. (1901)
           Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
             Subclass Bangiophycideae see Class Bangiophyceae Wettst. (1901)
               Order Compsopogonales Skuja (1939)
                 Family Compsopogonaceae F.Schmitz (1896)
                   Genus Compsopogon Mont., in Durieu de Maisonneuve (1846)