Acanthophora J.V.Lamouroux, 1813 (additional source)
Acanthophora spicifera (M.Vahl) Børgesen, 1910 (basis of record)
Acrochaetium Nägeli, 1858 (additional source)
Acrosorium Zanardini ex Kützing, 1869 (additional source)
Actinotrichia Decaisne, 1842 (basis of record)
Actinotrichia fragilis (Forsskål) Børgesen, 1932 (basis of record)
Ahnfeltiopsis P.C.Silva & DeCew, 1992 (additional source)
Amphiroa J.V.Lamouroux, 1812 (additional source)
Amphiroa anceps (Lamarck) Decaisne, 1842 (basis of record)
Amphiroa ephedraea (Lamarck) Decaisne, 1842 (basis of record)
Aphanothece Nägeli, 1849 (additional source)
Asparagopsis Montagne, 1840 (additional source)
Asparagopsis taxiformis (Delile) Trevisan de Saint-Léon, 1845 (additional source)
Asteronema Delépine & Asensi, 1975 (additional source)
Bangia Lyngbye, 1819 (additional source)
Bangia atropurpurea (Mertens ex Roth) C.Agardh, 1824 (additional source)
Boodlea G.Murray & De Toni, 1889 (additional source)
Boodlea composita (Harvey) F.Brand, 1904 (basis of record)
Boodleopsis A.Gepp & E.S.Gepp, 1911 (basis of record)
Boodleopsis pusilla (Collins) W.R.Taylor, A.B.Joly & Bernatowicz, 1953 (basis of record)
Bostrychia Montagne, 1842 (additional source)
Bostrychia tenella (J.V.Lamouroux) J.Agardh, 1863 (basis of record)
Brachytrichia Zanardini ex Bornet & Flahault, 1886 (basis of record)
Brachytrichia maculans Gomont, 1901 accepted as Kyrtuthrix maculans (Gomont) I.Umezaki, 1958 (basis of record)
Brachytrichia quoyi Bornet & Flahault, 1886 (basis of record)
Bryopsis plumosa (Hudson) C.Agardh, 1823 (additional source)
Callithamnion Lyngbye, 1819 (additional source)
Caloglossa (Harvey) G.Martens, 1869 (basis of record)
Caloglossa leprieurii (Montagne) G.Martens, 1869 (basis of record)
Calothrix C.Agardh ex Bornet & Flahault, 1886 (basis of record)
Calothrix contarenii Bornet & Flahault, 1886 (basis of record)
Calothrix crustacea Thuret ex Bornet & Flahault, 1886 accepted as Scytonematopsis crustacea (Thuret ex Bornet & Flahault) Koválik & Komárek, 1988 (basis of record)
Calothrix scopulorum C.Agardh ex Bornet & Flahault, 1886 (additional source)
Catenella Greville, 1830 (additional source)
Catenella nipae Zanardini, 1872 (basis of record)
Caulacanthus Kützing, 1843 (additional source)
Caulacanthus ustulatus (Turner) Kützing, 1843 (additional source)
Caulerpa J.V.Lamouroux, 1809 (additional source)
Caulerpa peltata J.V.Lamouroux, 1809 accepted as Caulerpa chemnitzia (Esper) J.V.Lamouroux, 1809 (additional source)
Caulerpa racemosa (Forsskål) J.Agardh, 1873 (additional source)
Caulerpa scalpelliformis (R.Brown ex Turner) C.Agardh, 1817 (additional source)
Caulerpa sertularioides (S.G.Gmelin) M.Howe, 1905 (additional source)
Caulerpa taxifolia (M.Vahl) C.Agardh, 1817 (additional source)
Centroceras Kützing, 1842 '1841' (additional source)
Centroceras clavulatum (C.Agardh) Montagne, 1846 (additional source)
Ceramium Roth, 1797 (additional source)
Ceramium tenerrimum (G.Martens) Okamura, 1921 accepted as Pseudoceramium tenerrimum (G.Martens) Barros-Barreto & Maggs, 2023 (additional source)
Ceratodictyon Zanardini, 1878 (basis of record)
Chaetomorpha Kützing, 1845 (additional source)
Chaetomorpha antennina (Bory) Kützing, 1847 (additional source)
Chaetomorpha brachygona Harvey, 1858 (additional source)
Chamaecalyx Komárek & Anagnostidis, 1986 (basis of record)
Chamaecalyx leibleiniae (Reinsch) Komárek & Anagnostidis, 1986 (basis of record)
Champia Desvaux, 1809 (additional source)
Champia parvula (C.Agardh) Harvey, 1853 (additional source)
Chondracanthus Kützing, 1843 (additional source)
Chroococcus Nägeli, 1849 (basis of record)
Chroococcus minor (Kützing) Nägeli, 1849 (additional source)
Chroococcus minutus (Kützing) Nägeli, 1849 (additional source)
Chroococcus turgidus (Kützing) Nägeli, 1849 (basis of record)
Cladophora Kützing, 1843 (additional source)
Cladophora albida (Nees) Kutzing, 1843 (additional source)
Cladophora sericea (Hudson) Kützing, 1843 (additional source)
Cladophora vagabunda (Linnaeus) Hoek, 1963 (additional source)
Codium Stackhouse, 1797 (additional source)
Colpomenia (Endlicher) Derbès & Solier, 1851 (additional source)
Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier, 1851 (additional source)
Corallina Linnaeus, 1758 (additional source)
Corallina officinalis Linnaeus, 1758 (additional source)
Corallina pilulifera Postels & Ruprecht, 1840 (basis of record)
Dermonema Harvey ex Heydrich, 1894 (additional source)
Dermonema virens (J.Agardh) Pedroche & Ávila Ortíz, 1996 (additional source)
Dictyopteris J.V.Lamouroux, 1809 (additional source)
Dictyopteris divaricata (Okamura) Okamura, 1932 (additional source)
Dictyosphaeria Decaisne, 1842 (additional source)
Dictyosphaeria cavernosa (Forsskål) Børgesen, 1932 (basis of record)
Dictyota dichotoma (Hudson) J.V.Lamouroux, 1809 (additional source)
Ectocarpus Lyngbye, 1819 (additional source)
Ectocarpus siliculosus (Dillwyn) Lyngbye, 1819 (additional source)
Entophysalis deusta (Meneghini) F.E.Drouet & W.A.Daily, 1948 (basis of record)
Entophysalis granulosa Kützing, 1843 (additional source)
Feldmannia G.Hamel, 1939 (additional source)
Galaxaura J.V.Lamouroux, 1812 (additional source)
Galaxaura rugosa (J.Ellis & Solander) J.V.Lamouroux, 1816 (additional source)
Gelidium J.V. Lamouroux, 1813 (additional source)
Gelidium amansii (J.V.Lamouroux) J.V.Lamouroux, 1813 (basis of record)
Gelidium crinale (Hare ex Turner) Gaillon, 1828 (additional source)
Gelidium pusillum (Stackhouse) Le Jolis, 1863 (additional source)
Gloeothece Nägeli, 1849 (basis of record)
Gracilaria Greville, 1830 (additional source)
Gracilaria blodgettii Harvey, 1853 (basis of record)
Grateloupia C.Agardh, 1822 (additional source)
Grateloupia filicina (J.V.Lamouroux) C.Agardh, 1822 (additional source)
Grateloupia livida (Harvey) Yamada, 1931 (basis of record)
Herposiphonia Nägeli, 1846 (basis of record)
Herposiphonia insidiosa (Greville ex J.Agardh) Falkenberg, 1901 (basis of record)
Hildenbrandia Nardo, 1834 (additional source)
Hildenbrandia rubra (Sommerfelt) Meneghini, 1841 (additional source)
Hydroclathrus Bory de Saint-Vincent, 1825 (additional source)
Hydroclathrus clathratus (C.Agardh) M.Howe, 1920 (additional source)