• Acinetospora crinita (Carmichael) Sauvageau, 1899
• Arthrocladia villosa (Hudson) Duby, 1830
• Choristocarpus tenellus Zanardini, 1860
• Cladosiphon contortus (Thuret) Kylin, 1940
• Cladosiphon mediterraneus Kützing, 1843
• Cladostephus spongiosus (Hudson) C.Agardh, 1817
• Corynophlaea flaccida (C.Agardh) Kützing, 1858
• Corynophlaea umbellata (C.Agardh) Kützing, 1843
• Cutleria adspersa (Mertens ex Roth) De Notaris, 1842
• Cutleria chilosa (Falkenberg) P.C.Silva, 1957
• Cylindrocarpus microscopicus P.L.Crouan & H.M.Crouan, 1851
• Cystoseira barbata (Stackhouse) C.Agardh, 1820 accepted as Treptacantha barbata (Stackhouse) Orellana & Sansón, 2019 accepted as Gongolaria barbata (Stackhouse) Kuntze, 1891
• Cystoseira crinita Duby, 1830 accepted as Ericaria crinita (Duby) Molinari & Guiry, 2020
• Desmarestia viridis (O.F.Müller) J.V.Lamouroux, 1813
• Dictyosiphon chordaria Areschoug, 1847
• Dictyota dichotoma (Hudson) J.V.Lamouroux, 1809
• Dictyota implexa (Desfontaines) J.V.Lamouroux, 1809
• Dictyota linearis (C.Agardh) Greville, 1830 accepted as Dictyota implexa (Desfontaines) J.V.Lamouroux, 1809
• Ectocarpus arabicus Figari & De Notaris, 1853 accepted as Feldmannia irregularis (Kützing) Hamel, 1939
• Ectocarpus caspicus A.Henckel, 1909
• Ectocarpus fasciculatus Harvey, 1841
• Ectocarpus siliculosus (Dillwyn) Lyngbye, 1819
• Elachista fucicola (Velley) Areschoug, 1842
• Elachista scutulata (Smith) Areschoug, 1843
• Ericaria crinita (Duby) Molinari & Guiry, 2020
• Eudesme virescens (Carmichael ex Berkeley) J.Agardh, 1882
• Feldmannia caespitula (J.Agardh) Knoepffler-Péguy, 1970 accepted as Feldmannia paradoxa (Montagne) Hamel, 1939
• Feldmannia irregularis (Kützing) Hamel, 1939
• Feldmannia lebelii (Areschoug ex P.Crouan & H.Crouan) Hamel, 1939
• Feldmannia paradoxa (Montagne) Hamel, 1939
• Giraudia sphacelarioides Derbès & Solier, 1851
• Gongolaria barbata (Stackhouse) Kuntze, 1891
• Halopteris scoparia (Linnaeus) Sauvageau, 1904
• Leathesia difformis Areschoug, 1847 accepted as Leathesia marina (Lyngbye) Decaisne, 1842
• Leathesia marina (Lyngbye) Decaisne, 1842
• Leathesia mucosa Feldmann, 1935
• Liebmannia leveillei J.Agardh, 1842 accepted as Mesogloia vermiculata (Smith) S.F.Gray, 1821
• Litosiphon laminariae (Lyngbye) Harvey, 1849
• Mesogloia vermiculata (Smith) S.F.Gray, 1821
• Microspongium gelatinosum Reinke, 1888 accepted as Scytosiphon lomentaria (Lyngbye) Link, 1833
• Microspongium parasiticum (Sauvageau) R.L.Fletcher, 2024
• Microspongium stilophorae (P.Crouan & H.Crouan) Cormaci & G.Furnari, 2012
• Microspongium tenuissimum (Hauck) A.F.Peters, 2003 accepted as Microspongium stilophorae (P.Crouan & H.Crouan) Cormaci & G.Furnari, 2012
• Myriactula arabica (Kützing) Feldmann, 1937
• Myriactula rivulariae (Suhr ex Areschoug) Feldmann, 1937
• Myrionema balticum (Reinke) Foslie, 1894
• Myrionema strangulans Greville, 1827
• Myriotrichia clavaeformis Harvey, 1834
• Nereia filiformis (J.Agardh) Zanardini, 1846
• Padina pavonica (Linnaeus) Thivy, 1960
• Petalonia zosterifolia (Reinke) Kuntze, 1898 accepted as Planosiphon zosterifolius (Reinke) McDevit & G.W.Saunders, 2017
• Phaeostroma bertholdii Kuckuck, 1895
• Planosiphon zosterifolius (Reinke) McDevit & G.W.Saunders, 2017
• Protectocarpus speciosus (Børgesen) Kornmann, 1955
• Pseudolithoderma extensum (P.Crouan & H.Crouan) S.Lund, 1959
• Pseudoralfsia verrucosa (Areschoug) Parente, Fletcher & G.W.Saunders, 2020
• Punctaria latifolia Greville, 1830
• Punctaria plantaginea (Roth) Greville, 1830
• Punctaria tenuissima (C.Agardh) Greville, 1830
• Pylaiella littoralis (Linnaeus) Kjellman, 1872
• Ralfsia verrucosa (Areschoug) Areschoug, 1845 accepted as Pseudoralfsia verrucosa (Areschoug) Parente, Fletcher & G.W.Saunders, 2020
• Sargassum (Sargassum) vulgare C. Agardh, 1820 represented as Sargassum vulgare C.Agardh, 1820
• Sargassum vulgare C.Agardh, 1820 (uncertain)
• Scytosiphon lomentaria (Lyngbye) Link, 1833
• Scytosiphon simplicissimus (Clemente) Cremades, 1990 accepted as Scytosiphon lomentaria (Lyngbye) Link, 1833
• Spermatochnus paradoxus (Roth) Kützing, 1843
• Sphacelaria cirrosa (Roth) C.Agardh, 1824
• Sphacelaria nana Nägeli ex Kützing, 1855 accepted as Sphacelorbus nanus (Nageli ex Kützing) Draisma, Prud'homme & H.Kawai, 2010
• Sphacelaria tribuloides Meneghini, 1840
• Sphacelorbus nanus (Nageli ex Kützing) Draisma, Prud'homme & H.Kawai, 2010
• Stictyosiphon adriaticus Kützing, 1843
• Stictyosiphon soriferus (Reinke) Rosenvinge, 1935
• Stilophora nodulosa (C.Agardh) P.C.Silva, 1996
• Stilophora rhizodes (C.Agardh) J.Agardh, 1841 accepted as Stilophora tenella (Esper) P.C.Silva, 1996
• Stilophora tenella (Esper) P.C.Silva, 1996
• Stilophora tuberculosa (Hornemann) Reinke, 1889 accepted as Stilophora nodulosa (C.Agardh) P.C.Silva, 1996
• Streblonema effusum Kylin, 1907 accepted as Punctaria tenuissima (C.Agardh) Greville, 1830
• Streblonema oligosporum Strömfelt, 1884 accepted as Litosiphon laminariae (Lyngbye) Harvey, 1849
• Streblonema parasiticum (Sauvageau) De Toni, 1895 accepted as Microspongium parasiticum (Sauvageau) R.L.Fletcher, 2024
• Streblonema sphaericum (Derbès & Solier) Thuret, 1863 accepted as Myriotrichia clavaeformis Harvey, 1834
• Streblonema stilophorae (P.L.Crouan & H.M.Crouan) Kylin, 1908 accepted as Microspongium stilophorae (P.Crouan & H.Crouan) Cormaci & G.Furnari, 2012
• Streblonema tenuissimum Hauck, 1884 accepted as Microspongium stilophorae (P.Crouan & H.Crouan) Cormaci & G.Furnari, 2012
• Striaria attenuata (Greville) Greville, 1828
• Stypocaulon scoparium (Linnaeus) Kützing, 1843 accepted as Halopteris scoparia (Linnaeus) Sauvageau, 1904
• Treptacantha barbata (Stackhouse) Orellana & Sansón, 2019 accepted as Gongolaria barbata (Stackhouse) Kuntze, 1891