[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Phaeophycota see Class Phaeophyceae Hansgirg (1886)
       Class Phaeophyceae Hansgirg (1886) - brown algae
         Order Ectocarpales Bessey (1907)
           Family Ectocarpaceae C.Agardh (1828)
             01 Genus Acinetospora Bornet (1892)
             02 Genus Acrospongium Schiffner (1916)
             03 Genus Asteronema R. Delépine & A. Asensi (1975)
             04 Genus Climacosorus C. Sauvageau (1934)
             05 Genus Dichosporangium Hauck (1884)
             06 Genus Ectocarpus Lyngbye (1819), nom. cons.
             07 Genus Feldmannia G. Hamel (1939)
             08 Genus Gononema P. Kuckuck & C. Skottsberg (1921)
             09 Genus Herponema J.Agardh (1882)
             10 Genus Hincksia J.E. Gray (1864)
             11 Genus Kuckuckia G. Hamel (1939)
             12 Genus Kuetzingiella P. Kornmann (1956)
             13 Genus Laminariocolax H. Kylin (1947)
             14 Genus Laminarionema H. Kawai & M. Tokuyama (1995)
             15 Genus Mikrosyphar P. Kuckuck (1895)
             16 Genus Phaeostroma P. Kuckuck, in Reinbold (1893)
             17 Genus Pilinia Kützing (1843)
             18 Genus Pleurocladia A.Braun, in L. Rabenh. (1855)
             19 Genus Spongonema F.T. Kützing (1849)
             20 Genus Streblonema A. Derbès & A. Solier, in L. Castagne (1851)
             21 Genus Streblonemopsis R. Valiante (1883)
             22 Genus Zosterocarpus E. Bornet (1890)