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 Phaeophyceae Hansgirg (1886) - brown algae
             Order Scytosiphonales
               Family Scytosiphonaceae Farlow (1881)
                 Genus Colpomenia (Endl.) Derbès & Solier, in Castagne (1851)
                 Genus Endarachne J.Agardh (1896)
                 Genus Hydroclathrus Bory (1825)
                 Genus Iyengaria F. Børgesen (1939)
                 Genus Petalonia Derbès & Solier (1850), nom. cons.
                 Genus Rosenvingea Boergesen (1914)
                 Genus Scytosiphon C.Agardh (1820), nom. cons.
                 ?Genus Utriculidium Skottsberg (1907)