...
- Acinetospora Bornet, 1891
- Acinetosporaceae Hamel ex J. Feldmann, 1937
- Acrocarpia Areschoug, 1854
- Acrocytis Rosenvinge, 1933
- Acrospongium Schiffner, 1916
- Acrothrix Kylin, 1907
- Acrotrichium Womersley & Skinner, 1987
- Actinema Reinsch, 1874-1875
- Acystis Schiffner, 1934
- Adenocystaceae F. Rousseau, B. de Reviers, M.-C. Leclerc, A. Asensi & R. Delépine
- Adenocystis J.D.Hooker & Harvey, 1845
- Adriogloia Ercegovic, 1955
- Agarum Dumortier, 1822
- Akkesiphycaceae H. Kawai & H. Sasaki
- Akkesiphycus Yamada & Tak.Tanaka, 1944
- Alaria Greville, 1830
- Alariaceae Setchell & Gardner, 1925
- Analipus Kjellman, 1889
- Antarctosaccion Delépine, 1970
- Anthophycus Kützing, 1849
- Apistonema Pascher, 1925
- Arthrocladia Duby, 1830
- Arthrocladiaceae Chauvin, 1842
- Arthrothamnus Ruprecht, 1848
- Ascocyclus Magnus, 1874
- Ascophyllum Stackhouse, 1809
- Ascoseira Skottsberg, 1907
- Ascoseiraceae Skottsberg, 1907
- Ascoseirales
- Ascoseirophila A.F.Peters, 2003
- Asperococcaceae
- Asperococcus J.V.Lamouroux, 1813
- Asterocladaceae
- Asterocladales
- Asterocladon D.G.Müller, E.R.Parodi & A.F.Peters, 1999
- Asteronema Delépine & Asensi, 1975
- Asteronemataceae
- Asterotrichia Zanardini, 1843
- Aureophycus H.Kawai, T.Hanyuda, Lindeberg & S.C.Lindstrom, 2008
- Australofilum A.F.Peters, 2003
- Austronereia Womersley, 1987
- Axillariella P.C.Silva, 1959
- Bachelotia (Bornet) Kuckuck ex G.Hamel, 1939
- Bachelotiaceae
- Basispora D.M.John & G.W.Lawson, 1974
- Battersia Reinke ex Batters, 1890
- Bellotia Harvey, 1855
- Bifurcaria Stackhouse, 1809
- Bifurcariopsidaceae
- Bifurcariopsis Papenfuss, 1940
- Bodanella Zimmermann, 1927
- Botrytella Bory de Saint-Vincent, 1822
- Brassicophycus Draisma, Ballesteros, F.Rousseau & T.Thibaut, 2010
- Buffhamia Batters, 1895
- Buffhamiaceae
- Caepidium J.Agardh, 1882
- Canistrocarpus De Paula & De Clerck, 2006
- Carpoglossum Kützing, 1843
- Carpomitra Kützing, 1843
- Carpophyllum Greville, 1830
- Castagnea A.Derbès & A.Solier, 1851
- Caulocystis Areschoug, 1854
- Chaetopteris Kützing, 1843
- Chilionema Sauvageau, 1898
- Chlanidophora J.Agardh, 1894
- Chlorosiphon Kützing, 1843
- Chnoospora J.Agardh, 1847
- Chnoosporaceae Setchell & Gardner, 1925
- Chorda Stackhouse, 1797
- Chordaceae Dumortier, 1822
- Chordaria C.Agardh, 1817
- Chordariaceae Greville, 1830
- Chordariopsidaceae Kylin, 1940
- Chordariopsis Kylin, 1940
- Choristocarpaceae Kjellman, 1891
- Choristocarpales
- Choristocarpus Zanardini, 1860
- Chrysapion Pascher & Vlk, 1943
- Chrysocapsopsis R.H.Thompson & Wujek, 1998
- Chrysoclonium Pascher, 1925
- Chrysodesmis Starmach, 1970
- Chukchia R.T.Wilce, P.M.Pedersen & Sekida, 2009
- Cladochroa Skottsberg, 1921
- Cladophyllum Bula-Meyer, 1980
- Cladosiphon Kützing, 1843
- Cladostephaceae
- Cladostephus C.Agardh, 1817
- Cladothele J.D.Hooker & Harvey, 1845
- Clathrodiscus Hamel, 1935
- Climacosorus Sauvageau, 1933
- Coccophora Greville, 1830
- Coelocladia Rosenvinge, 1893
- Coilodesmaceae
- Coilodesme Strømfelt, 1886
- Colpomenia (Endlicher) Derbès & Solier, 1851
- Compsonema Kuckuck, 1899
- Corycus Kjellman, 1889
- Corynophlaea Kützing, 1843
- Costaria Greville, 1830
- Costariaceae
- Costulariella N.G.Kloczcova & T.A.Kloczcova, 2010
- Cutleria Greville, 1830
- Cutleriaceae Griffith & Henfrey, 1856
- Cutleriales
- Cylindrocarpus P.L.Crouan & H.M.Crouan, 1851
- Cymathaere J.Agardh, 1868
- Cystophora J.Agardh, 1841
- Cystoseira C.Agardh, 1820
- Cystosphaera Skottsberg, 1907
- Dalmatogloia Ercegovic, 1955
- Delamarea Hariot, 1889
- Delamareaceae
- Dermatocelis Rosenvinge, 1898
- Desmarestia J.V.Lamouroux, 1813
- Desmarestiaceae (Thuret) Kjellman, 1880
- Desmarestiales
- Desmotrichum Kützing, 1845
- Dichosporangium Hauck, 1884
- Dictyoneurum Ruprecht, 1852
- Dictyopteris J.V.Lamouroux, 1809
- Dictyosiphon Greville, 1830
- Dictyosiphonaceae
- Dictyosiphonales
- Dictyota J.V.Lamouroux, 1809
- Dictyotaceae Lamouroux ex Dumortier, 1822
- Dictyotales
- Dictyoteae Greville
- Dictyotopsis Troll, 1931
- Diplura Hollenberg, 1969
- Discosporangiales
- Discosporangium Falkenberg, 1878
- Distromium Levring, 1940
- Durvillaea Bory de Saint-Vincent, 1826
- Durvillaeaceae (Oltmanns) De Toni, 1891
- Ecklonia Hornemann, 1828
- Eckloniopsis Okamura, 1927
- Ectocarpaceae C. Agardh, 1828
- Ectocarpales
- Ectocarpidium G.Shperk, 1869
- Ectocarpus Lyngbye, 1819
- Egregia Areschoug, 1876
- Eisenia Areschoug, 1876
- Elachista Duby, 1830
- Elachistiella Cassano, Yoneshigue-Valentin & M.J.Wynne, 2004
- Encyothalia Harvey, 1859
- Endarachne J.Agardh, 1896
- Endoplura Hollenberg, 1969
- Entonema Reinsch, 1875
- Eoclathrus Squinabol, 1888
- Epinema P.J.L.Dangeard, 1962
- Eualaria Areschoug, 1884
- Eudesme J.Agardh, 1882
- Exallosorus J.A.Phillips, 1997
- Feditia Yu.Petrov & I.Gusarova, 1972
- Feldmannia G.Hamel, 1939
- Flabellonema Skinner & Womersley, 1984
- Fosliea Reinke, 1891
- Fucaceae Adanson, 1763
- Fucales
- Fucus Linnaeus, 1753
- Geminocarpus Skottsberg, 1907
- Giraudia Derbès & Solier, 1851
- Giraudiaceae
- Gononema Kuckuck & Skottsberg, 1921
- Gontrania Sauvageau, 1936
- Halidrys Lyngbye, 1819
- Haligenia Decaisne, 1842
- Halonema Jaasund, 1951
- Halopteris Kützing, 1843
- Halorhipis Saunders, 1898
- Halorhiza Kützing, 1843
- Halosiphon Jaasund, 1957
- Halosiphonaceae T. Christensen, 1961
- Halothrix Reinke, 1888
- Hamelella Børgesen, 1942
- Hapalospongidion De A.Saunders, 1899
- Haplogloia Levring, 1939
- Haplosiphon Trevisan, 1849
- Haplospora Kjellman, 1872
- Hecatonema Sauvageau, 1898 '1897'
- Hedophyllum Setchell, 1901
- Heribaudiella Gomont, 1896
- Herpodiscus G.R.South, 1974
- Herponema J.Agardh, 1882
- Herringtonia Kraft, 2009
- Hesperophycus Setchell & Gardner, 1910
- Heterophycus Trevisan, 1848
- Heteroralfsia Kawai, 1989
- Heterosaundersella Tokida, 1942
- Himanthalia Lyngbye, 1819
- Himanthaliaceae (Kjellman) De Toni, 1891
- Himantothallus Skottsberg, 1907
- Hincksia J.E.Gray, 1864
- Hirome K.Yendo, 1903
- Hizikia Okamura, 1932
- Hormophysa Kützing, 1843
- Hormosira (Endlichter) Meneghini, 1838
- Hormosiraceae Fritsch, 1945
- Hummia J.Fiore, 1975
- Hydroclathrus Bory de Saint-Vincent, 1825
- Ishige Yendo, 1907
- Ishigeaceae Okamura, 1935
- Ishigeales
- Isthmoplea Kjellman, 1877
- Iyengaria Børgesen, 1939
- Jolyna S.M.P.B.Guimarães, 1986
- Jonssonia S.Lund, 1959
- Kjellmaniella Miyabe, 1902
- Koinopodion Pascher, 1943
- Kolderupia S.Lund, 1959
- Krobylopteris P.Schmidt, 1942
- Kuckuckia G.Hamel, 1939
- Kuetzingiella Kornmann, 1956
- Kurogiella Kawai, 1993
- Laminaria J.V. Lamouroux, 1813
- Laminariaceae Bory, 1827
- Laminariales
- Laminariocolax Kylin, 1947
- Laminarionema Kawai & Tokuyama, 1995
- Landsburgia Harvey, 1855
- Leathesia S.F.Gray, 1821
- Leblondiella G.Hamel, 1939
- Leptonematella P.C.Silva, 1959
- Lessonia Bory de Saint-Vincent, 1825
- Lessoniaceae Setchell & Gardner, 1925
- Lessoniopsis Reinke, 1903
- Levringia Kylin, 1940
- Liebmannia J.Agardh, 1842
- Lithoderma Areschoug, 1875
- Lithodermataceae
- Litosiphon Harvey, 1849
- Lobophora J.Agardh, 1894
- Lobospira Areschoug, 1854
- Lucasia Yee & A.J.K.Millar, 2009
- Macrocystis C.Agardh, 1820
- Marginariella Tandy, 1936
- Masonophycaceae O.C. Schmidt, 1937
- Masonophycus Setchell & N.L.Gardner, 1930
- Melanosiphon M.J.Wynne, 1969
- Melastictis Reinsch, 1890
- Mesogloia C.Agardh, 1817
- Mesogloiopsis Womersley & Bailey, 1987
- Mesosporaceae J. Tanaka & Chihara, 1982
- Microcoryne Strömfelt, 1888
- Microspongium Reinke, 1888
- Microsporangium
- Microzonia J.Agardh, 1894
- Mikrosyphar Kuckuck, 1895
- Mutimo H.Kawai & T.Kitayama, 2012
- Myagropsis Kützing, 1843
- Myelophycus Kjellman, 1893
- Myriactis Kützing, 1843
- Myriactula Kuntze, 1898
- Myriocladia J.Agardh, 1841
- Myriodesma Decaisne, 1841
- Myriogloea P.Kuckuck ex F.Oltmanns, 1922
- Myrionema Greville, 1827
- Myrionemataceae Nägeli, 1847
- Myrionemopsis P.Dangeard, 1968
- Myriotrichia Harvey, 1834
- Myriotrichiaceae
- Nemacystus Derbès & Solier, 1850
- Nematochrysis Pascher, 1925
- Nemoderma Schousboe ex Bornet, 1892
- Nemodermataceae J. Feldmann, 1937
- Nemodermatales
- Neoleptonema E.-Y.Lee & I.K.Lee, 2002
- Neoralfsia P.-E.Lim & H.Kawai, 2007
- Neoralfsiaceae Lim & Kawai in Lim, Sakaguchi, Hanyuda, Kogame, Phang & Kawai, 2007
- Nereia Zanardini, 1846
- Nereocystis Postels & Ruprecht, 1840
- Newhousia Kraft, G.W.Saunders, I.A.Abbott & H.J.Haroun, 2004
- Nizamuddinia P.C.Silva, 1996
- Notheia Harvey & Bailey, 1851
- Notheiaceae O.C. Schmidt, 1938
- Oerstedtia Trevisan, 1848
- Omphalophyllum Rosenvinge, 1893
- Onslowia Searles, 1980
- Onslowiaceae S.G.A. Draisma & W.F. Prud'homme van Reine
- Onslowiales
- Pachydictyon J.Agardh, 1894
- Padina Adanson, 1763
- Padinella Areschoug, 1843
- Palaeohalidrys N.L.Gardner, 1924
- Papenfussiella Kylin, 1940
- Pelagophycus Areschoug, 1881
- Pelvetia Decaisne & Thuret, 1845
- Pelvetiopsis N.L.Gardner, 1910
- Perisporochnus V.J.Chapman, 1954
- Perithalia J.Agardh, 1890
- Petalonia Derbès & Solier, 1850
- Petroderma Kuckuck, 1897
- Petrospongiaceae
- Petrospongium Nägeli ex Kützing, 1858
- Phaeogloea Chodat, 1922
- Phaeophyceae incertae sedis
- Phaeophysema A.Tanaka, S.Uwai & H. Kawai, 2010
- Phaeosaccion
- Phaeosaccion Farlow, 1882
- Phaeosaccionaceae
- Phaeoschizochlamys Lemmermann, 1898
- Phaeosiphoniella R.G.Hooper, E.C.Henry & R.Kuhlenkamp, 1988
- Phaeosiphoniellaceae
- Phaeostroma Kuckuck, 1893
- Phaeostromatella P.[J.L.] Dangeard, 1970
- Phaeostrophiaceae
- Phaeostrophion Setchell & Gardner, 1924
- Phaeothamniaceae Hansgirg, 1886
- Phaeothamniales
- Phaeothamnion G.Lagerheim, 1884
- Phaeurus Skottsberg, 1907
- Phloiocaulon Geyler, 1866
- Phycocelis Strömfelt, 1888
- Phyllariaceae Hamel ex Petrov, 1974
- Phyllariella Y.E.Petrov & Vozzhinskaja, 1966
- Phyllariopsis E.C.Henry & G.R.South, 1987
- Phyllospora C.Agardh, 1839
- Pilayellaceae
- Pilinia Kützing, 1843
- Pilocladus Kornmann, 1954
- Platysiphon Wilce, 1962
- Platythalia Sonder, 1845
- Pleurochloridellales
- Pleurocladia A.Braun, 1855
- Pleurophycus Setchell & Saunders ex J.Tilden, 1900
- Podochrysis Magne, 1975
- Pogotrichiaceae
- Pogotrichium
- Pogotrichum Reinke, 1892
- Polycerea J.Agardh, 1882
- Polycladia Montagne, 1847
- Polyschidea Stackhouse, 1809
- Porterinema Waern, 1952
- Postelsia Ruprecht, 1852
- Proselachista Y.P.Lee & Garbary, 1999
- Protasperococcus Sauvageau, 1931
- Protectocarpus Kornmann, 1955
- Protohalopteris Draisma, Prud'homme & H.Kawai, 2010
- Pseudochorda Yamada, Tokida & Inagaki, 1958
- Pseudochordaceae
- Pseudolessonia G.Y.Cho, N.G.Klochkova, T.N.Krupnova & Boo, 2006
- Pseudolithoderma Svedelius, 1911
- Pterygophora Ruprecht, 1852
- Ptilopogon Reinke, 1890
- Punctaria Greville, 1830
- Punctariaceae
- Pylaiella Bory de Saint-Vincent, 1823
- Pylaiellaceae
- Ralfsia Berkeley, 1843
- Ralfsiaceae Farlow, 1881
- Ralfsiales
- Rhadinocladia Schuh, 1900
- Rosenvingea Børgesen, 1914
- Rugulopteryx De Clerck & Coppejans, 2006
- Saccharina Stackhouse, 1809
- Saccorhiza Bachelot de la Pylaie, 1830
- Sargassaceae Kützing, 1843
- Sargassopsis Trevisan, 1843
- Sargassum C.Agardh, 1820
- Saundersella Kylin, 1940
- Sauvageaugloia G.Hamel ex Kylin, 1940
- Scaberia Greville, 1830
- Scoresbyella Womersley, 1987
- Scoresbyellaceae Womersley, 1987
- Scytosiphon C.Agardh, 1820
- Scytosiphonaceae Farlow, 1881
- Scytosiphonales
- Scytothalia Greville, 1830
- Scytothamnaceae Womersley, 1987
- Scytothamnales
- Scytothamnus J.D.Hooker & Harvey, 1845
- Seirococcaceae Nizamuddin, 1962
- Seirococcus Greville, 1830
- Selenophaea Chodat, 1922
- Silvetia E.Serrão, T.O.Cho, S.M.Boo & S.H.Brawley, 1999
- Soranthera Postels & Ruprecht, 1840
- Sorapion Kuckuck, 1894
- Sorocarpaceae
- Spatoglossum Kützing, 1843
- Spermatochnus Kützing, 1843
- Sphacelaria Lyngbye, 1818
- Sphacelariaceae Decaisne, 1842
- Sphacelariales
- Sphacella Reinke, 1890
- Sphaceloderma Kuckuck, 1894
- Sphacelodermaceae
- Sphacelorbus Draisma, Prud'homme & H.Kawai, 2010
- Sphaeridiothrix Pascher & Vlk, 1943
- Sphaerotrichia Kylin, 1940
- Splachnidiaceae Mitchell & Whitting, 1892
- Splachnidium Greville, 1830
- Spongonema Kützing, 1849
- Sporochnaceae Greville, 1830
- Sporochnales
- Sporochnema Womersley, 1987
- Sporochnus C.Agardh, 1817
- Sporochonema Womersley, 1987
- Stegastrum Reinsch, 1890
- Stephanocystis Trevisan, 1843
- Stereocladon J.D.Hooker & Harvey, 1845
- Stereothalia V.B.A.Trevisan, 1849
- Stichogloea Chodat, 1897
- Stictyosiphon Kützing, 1843
- Stilophora J.Agardh, 1841
- Stilopsis Kuckuck, 1929
- Stoechospermum Kützing, 1843
- Stolonophora Nizamuddin, 1969
- Stragularia Strömfelt, 1886
- Streblonemopsis R.Valiante, 1883
- Strepsithalia Bornet ex Sauvageau, 1896
- Streptophyllopsis Kajimura, 1981
- Striaria Greville, 1828
- Striariaceae
- Stschapovia A.D.Zinova, 1954
- Stschapoviaceae
- Stypocaulaceae Oltmanns, 1922
- Stypopodium Kützing, 1843
- Suringariella Womersley & Bailey, 1987
- Symphyocarpus Rosenvinge, 1893
- Syringoderma Levring, 1940
- Syringodermataceae E.C. Henry, 1984
- Syringodermatales
- Taonia J.Agardh, 1848
- Tauya N.G.Klochkova & T.N.Krupnova, 2004
- Tetrachrysis A.J.Dop, 1980
- Tetrapion Pascher, 1943
- Thalassiophyllum Postels & Ruprecht, 1840
- Thaumasia C. Agardh
- Tilopteridaceae Kjellman, 1890
- Tilopteridales
- Tilopteris Kützing, 1849
- Tinocladia Kylin, 1940
- Tomaculopsis A.B.Cribb, 1960
- Trachynema P.-M.Pedersen, 1985
- Turbinaria J.V. Lamouroux, 1825
- Ulonema Foslie, 1893
- Undaria Suringar, 1873
- Undariella Y.P.Petrov & O.G.Kusakin, 1997
- Undariopsis K.Miyabe & K.Okamura, 1902
- Utriculidium Skottsberg, 1907
- Vaughaniella Børgesen, 1950
- Verosphacela E.C.Henry, 1987
- Vimineoleathesia A.Tanaka, S.Uwai & H. Kawai, 2010
- Xanthosiphonia J.Agardh, 1894
- Xiphophora Montagne, 1842
- Xiphophoraceae
- Zanardinia Nardo ex P.L.Crouan & H.M.Crouan, 1857
- Zanardinia Nardo ex Zanardini, 1841
- Zeacarpa Anderson, Simons & Bolton, 1988
- Zonaria C.Agardh, 1817
- Zonarieae
- Zonarina Ørsted
- Zonarius Ørsted
- Zosterocarpus Bornet, 1890