Between brackets is the number of accepted marine extant species
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Shows the number of accepted marine extant species within the taxon
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- Biota (1 799)
- Kingdom Chromista (437)
- Subkingdom Hacrobia
- Subkingdom Harosa (437)
- Infrakingdom Heterokonta (437)
- Phylum Ochrophyta (437)
- Subphylum Ochrophyta incertae sedis
- Subphylum Phaeista
- Class Phaeophyceae (436)
- Subclass Dictyotophycidae (74)
- Subclass Discosporangiophycidae (2)
- Subclass Fucophycidae (352)
- Order Asterocladales (1)
- Order Chordales (1)
- Order Desmarestiales (5)
- Order Ectocarpales (240)
- Family Acinetosporaceae Hamel ex J. Feldmann, 1937 (35)
- Family Chordariaceae Greville, 1830 (173)
- Genus Acrocytis Rosenvinge, 1933 (1)
- Species Acrocytis groenlandica Rosenvinge
- Genus Acrospongium Schiffner, 1916 (1)
- Genus Acrothrix Kylin, 1907 (1)
- Genus Actinema Reinsch, 1874-1875 (1)
- Genus Adriogloia Ercegovic, 1955
- Genus Ascocyclus Magnus, 1874
- Genus Asperococcus J.V.Lamouroux, 1813 (4)
- Genus Botrytella Bory de Saint-Vincent, 1822 (2)
- Genus Buffhamia Batters, 1895 (1)
- Genus Castagnea A.Derbès & A.Solier, 1851
- Genus Chilionema Sauvageau, 1898 (2)
- Genus Chordaria C.Agardh, 1817 (1)
- Genus Chukchia R.T.Wilce, P.M.Pedersen & Sekida, 2009 (1)
- Genus Cladosiphon Kützing, 1843 (8)
- Genus Clathrodiscus Hamel, 1935 (1)
- Genus Climacosorus Sauvageau, 1933 (1)
- Genus Coelocladia Rosenvinge, 1893 (1)
- Genus Coilodesme Strømfelt, 1886 (1)
- Genus Compsonema Kuckuck, 1899 (3)
- Genus Corynophlaea Kützing, 1843 (6)
- Genus Cylindrocarpus P.L.Crouan & H.M.Crouan, 1851 (1)
- Genus Dalmatogloia Ercegovic, 1955 (1)
- Genus Delamarea Hariot, 1889 (1)
- Genus Dermatocelis Rosenvinge, 1898 (1)
- Genus Desmotrichum Kützing, 1845 (1)
- Genus Dichosporangium Hauck, 1884
- Genus Dictyosiphon Greville, 1830 (5)
- Genus Elachista Duby, 1830 (9)
- Genus Endodictyon H.Gran, 1897 accepted as Streblonema Derbès & Solier, 1851 (1)
- Genus Eudesme J.Agardh, 1882 (1)
- Genus Fosliea Reinke, 1891 (1)
- Genus Giraudia Derbès & Solier, 1851 (1)
- Genus Gononema Kuckuck & Skottsberg, 1921
- Genus Gontrania Sauvageau, 1936
- Genus Halonema Jaasund, 1951 (1)
- Genus Halorhiza Kützing, 1843 (1)
- Genus Halothrix Reinke, 1888 (1)
- Genus Hecatonema Sauvageau, 1898 '1897' (2)
- Genus Isthmoplea Kjellman, 1877 (1)
- Genus Kuetzingiella Kornmann, 1956 (2)
- Genus Laminariocolax Kylin, 1947 (2)
- Genus Laminarionema Kawai & Tokuyama, 1995 (2)
- Genus Leathesia S.F.Gray, 1821 (2)
- Genus Leblondiella G.Hamel, 1939 (1)
- Genus Leptonematella P.C.Silva, 1959 (1)
- Genus Liebmannia J.Agardh, 1842
- Genus Litosiphon Harvey, 1849 (1)
- Genus Mesogloia C.Agardh, 1817 (2)
- Genus Microcoryne Strömfelt, 1888 (1)
- Genus Microspongium Reinke, 1888 (5)
- Genus Microsporangium accepted as Microspongium Reinke, 1888
- Genus Mikrosyphar Kuckuck, 1895 (4)
- Genus Myriactula Kuntze, 1898 (13)
- Genus Myriocladia J.Agardh, 1841 (3)
- Genus Myriogloea P.Kuckuck ex F.Oltmanns, 1922 (1)
- Genus Myrionema Greville, 1827 (12)
- Genus Myriotrichia Harvey, 1834 (5)
- Genus Nemacystus Derbès & Solier, 1850 (4)
- Genus Omphalophyllum Rosenvinge, 1893 (1)
- Genus Papenfussiella Kylin, 1940 (2)
- Genus Phaeostroma Kuckuck, 1893 (3)
- Genus Phaeostromatella P.[J.L.] Dangeard, 1970 (1)
- Genus Phycocelis Strömfelt, 1888
- Genus Protasperococcus Sauvageau, 1931
- Genus Protectocarpus Kornmann, 1955 (2)
- Genus Punctaria Greville, 1830 (4)
- Genus Saundersella Kylin, 1940 (1)
- Genus Sauvageaugloia G.Hamel ex Kylin, 1940 (1)
- Genus Sorocarpus Pringsheim, 1862 accepted as Botrytella Bory de Saint-Vincent, 1822
- Genus Spermatochnus Kützing, 1843 (1)
- Genus Sphaerotrichia Kylin, 1940 (1)
- Genus Stictyosiphon Kützing, 1843 (6)
- Genus Stilophora J.Agardh, 1841 (2)
- Genus Stilopsis Kuckuck, 1929 (1)
- Genus Streblonema Derbès & Solier, 1851 accepted as Myriotrichia Harvey, 1834 (13)
- Genus Streblonemopsis R.Valiante, 1883 (1)
- Genus Strepsithalia Bornet ex Sauvageau, 1896 (4)
- Genus Striaria Greville, 1828 (1)
- Genus Trachynema P.-M.Pedersen, 1985 (1)
- Genus Ulonema Foslie, 1893 (1)
- Genus Waerniella Kylin, 1947 accepted as Pilinia Kützing, 1843
- Family Ectocarpaceae C. Agardh, 1828 (16)
- Family Petrospongiaceae Racault et al., 2009 (1)
- Family Pilayellaceae
- Family Scytosiphonaceae Farlow, 1881 (15)
- Order Fucales (64)
- Order Laminariales (14)
- Order Nemodermatales (1)
- Order Ralfsiales (8)
- Order Scytothamnales (1)
- Order Sporochnales (6)
- Order Tilopteridales (11)
- Subclass Ishigeophycidae (2)
- Order Cutleriales
- Order Phaeophyceae incertae sedis (5)
- Order Stschapoviales (1)
- Class Phaeothamniophyceae
- Class Xanthophyceae (1)
- Kingdom Plantae (1 362)