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 Ectocarpales Bessey (1907)
               Family Ectocarpaceae C.Agardh (1828)
                 Genus Asteronema R. Delépine & A. Asensi (1975)
                 Genus Bachelotia (E. Bornet) P. Kuckuck ex G. Hamel (1939)
                 Genus Bodanella W. Zimmermann (1927)
                 Genus Climacosorus C. Sauvageau (1934)
                 Genus Ectocarpus Lyngbye (1819), nom. cons.
                 Genus Endodictyon H. Gran (1897)
                 Genus Entonema P.F. Reinsch (1874)
                 Genus Epinema P. Dangeard (1962)
                 Genus Feldmannia G. Hamel (1939)
                 Genus Geminocarpus C. Skottsberg (1907)
                 Genus Giffordia E.A. Batters (1893)
                 Genus Gononema P. Kuckuck & C. Skottsberg (1921)
                 Genus Hamelella F. Børgesen (1942)
                 Genus Herponema J.Agardh (1882)
                 Genus Kuckuckia G. Hamel (1939)
                 Genus Kuetzingiella P. Kornmann (1956)
                 Genus Laminariocolax H. Kylin (1947)
                 Genus Mikrosyphar P. Kuckuck (1895)
                 Genus Phaeostroma P. Kuckuck, in Reinbold (1893)
                 Genus Pilayella Bory (1823)
                 Genus Pilocladus P. Kornmann (1954)
                 Genus Pleurocladia A.Braun, in L. Rabenh. (1855)
                 Genus Pseudobodanella J. Gerloff (1967)
                 ?Genus Pulvinaria Reinhard (1885), nom. illeg. see Genus Chrysoreinhardia nom. nud.
                 Genus Spongonema F.T. Kützing (1849)
                 Genus Streblonema A. Derbès & A. Solier, in L. Castagne (1851)
                 Genus Streblonemopsis R. Valiante (1883)
                 Genus Waerniella H. Kylin (1947)
                 Genus Zosterocarpus E. Bornet (1890)