Asparagopsis Montagne, 1840 (basis of record)
Asterocytis (Hansgirg) Gobi ex F. Schmitz, 1896 accepted as Chroodactylon Hansgirg, 1885 (basis of record)
Audouinella Bory de Saint-Vincent, 1823 (basis of record)
Bertholdia F. Schmitz, 1889 accepted as Schmitzia P.C. Silva, 1959 (basis of record)
Blinksia Hollenberg & I.A. Abbott, 1968 (basis of record)
Boldia W.R. Herndon, 1964 (basis of record)
Callocolax F. Schmitz ex Batters, 1895 (basis of record)
Calosiphonia H.M. Crouan & P.L. Crouan, 1852 (basis of record)
Catenellocolax Weber-van Bosse, 1928 (basis of record)
Chondriella Levring in Skottsberg, 1941 (basis of record)
Chondrus Stackhouse, 1797 (basis of record)
Choreocolax Reinsch, 1875 (basis of record)
Coeloseira Hollenberg, 1941 accepted as Gastroclonium Kützing, 1843 (basis of record)
Compsopogon Montagne in Durieu de Maisonneuve, 1846 (basis of record)
Conchocelis E.A. Batters in G. Murray, 1892 accepted as Porphyra C.A. Agardh, 1824 (basis of record)
Constantinea Postels & Ruprecht, 1840 (basis of record)
Corynomorpha J.G. Agardh, 1872 (basis of record)
Crossocarpus Ruprecht in Middendorff, 1850 (basis of record)
Cryptosiphonia J.G. Agardh, 1876 (basis of record)
Cubiculosporum Kraft, 1973 (basis of record)
Desmia Lyngbye, 1819 accepted as Desmarestia J.V.F. Lamouroux, 1813 (basis of record)
Dilsea Stackhouse, 1809 (basis of record)
Dudresnaya P.L. Crouan & H.M. Crouan, 1835 (basis of record)
Dumontia J.V.F. Lamouroux, 1813 (basis of record)
Endocladia J.G. Agardh, 1841 (basis of record)
Erythrophyllum J.G. Agardh, 1872 (basis of record)
Farlowia J.G. Agardh, 1876 (basis of record)
Gardneriella Kylin, 1941 (basis of record)
Gelidiella Feldmann & G. Hamel, 1934 (basis of record)
Gelidium J.V.F. Lamouroux, 1813 (basis of record)
Gloiopeltis J.G. Agardh, 1842 (basis of record)
Gloiosiphonia Carmichael in Berkeley, 1833 (basis of record)
Goniotrichum Kützing, 1943 accepted as Stylonema Reinsch, 1875 (basis of record)
Gracilaria Greville, 1830 (basis of record)
Halarachnion Kützing, 1843 (basis of record)
Halosaccion Kützing, 1843 (basis of record)
Harveyella F. Schmitz & Reinke, 1889 (basis of record)
Hummbrella S.A. Earle, 1969 (basis of record)
Iridaea Bory de Saint-Vincent, 1826 (basis of record)
Kallymeniopsis Perestenko, 1977 (basis of record)
Kneuckeria Schmidle, 1905 (basis of record)
Kyliniella Skuja, 1926 (basis of record)
Lemanea Bory de Saint-Vincent, 1808 (basis of record)
Leptocladia J.G. Agardh, 1892 (basis of record)
Neevea Batters, 1900 (basis of record)
Nemalionopsis Skuja, 1934 (basis of record)
Neoagardhiella M.J. Wynne & W.R. Taylor, 1973 accepted as Agardhiella F. Schmitz, 1897 (basis of record)
Ochtodes J.G. Agardh, 1872 (basis of record)
Palmaria Stackhouse, 1802 (basis of record)
Peltasta J.G. Agardh, 1892 (basis of record)
Phragmonema Zopf, 1882 (basis of record)
Phyllophora Greville, 1830 (basis of record)
Pikea Harvey, 1853 (basis of record)
Platoma Schousboe ex F. Schmitz, 1894 (basis of record)
Polyides C.A. Agardh, 1822 (basis of record)
Porphyra C.A. Agardh, 1824 (basis of record)
Porphyridium Nägeli, 1849 (basis of record)
Pseudoanemonia V.J. Chapman, 1969 accepted as Hummbrella S.A. Earle, 1969 (basis of record)
Pterocladia J.G. Agardh, 1851 (basis of record)
Pterocladiophila K.-C. Fan & Papenfuss, 1959 (basis of record)
Rhizophyllis Kützing, 1845 accepted as Contarinia Zanardini, 1843 (basis of record)
Rhodochaete Thuret ex Bornet, 1892 (basis of record)
Rhodochorton Nägeli, 1862 '1861' (basis of record)
Rhododactylis J.G. Agardh, 1876 accepted as Husseya J.G. Agardh, 1901 (basis of record)
Rissoella J.G. Agardh, 1849 (basis of record)
Sphaerococcus Stackhouse, 1797 (basis of record)
Stenocladia J.G. Agardh, 1872 accepted as Nizymenia Sonder, 1855 (basis of record)
Thorea Bory de Saint-Vincent, 1808 (basis of record)
Thuretella F. Schmitz, 1889 (basis of record)
Tichocarpus Ruprecht, 1850 (basis of record)
Turnerella F. Schmitz, 1897 (basis of record)
Weeksia Setchell, 1901 (basis of record)
Wurdemannia Harvey, 1853 (basis of record)