• Aglaothamnion bipinnatum (P.Crouan & H.Crouan) Feldmann & G.Feldmann, 1948: moderately turbid waters
• Aglaothamnion boergesenii (Aponte & D.L.Ballantine) L'Hardy-Halos & Rueness, 1997: moderately turbid waters
• Aglaothamnion callophyllidicola (Yamada) Boo, I.K.Lee, Rueness & Yoshida, 1991: moderately turbid waters
• Aglaothamnion caudatum (J.Agardh) Feldmann-Mazoyer, 1941: moderately turbid waters
• Aglaothamnion chadefaudii L'Hardy-Halos, 1984: moderately turbid waters
• Aglaothamnion chejuense G.H.Kim & I.K.Lee: moderately turbid waters
• Aglaothamnion circinnatum (Womersley) Cormaci, G. Furnari & Alongi, 2023: moderately turbid waters
• Aglaothamnion collinsii Aponte, D.L.Ballantine & J.N.Norris, 1997: moderately turbid waters
• Aglaothamnion confertum (Womersley) Cormaci, G. Furnari & Alongi, 2023: moderately turbid waters
• Aglaothamnion cordatum (Børgesen) Feldmann-Mazoyer, 1941: moderately turbid waters
• Aglaothamnion decompositum (J.Agardh) Halos: moderately turbid waters
• Aglaothamnion diaphanum L'Hardy-Halos & Maggs, 1991: moderately turbid waters
• Aglaothamnion endostolon Huisman, 2018: moderately turbid waters
• Aglaothamnion endovagum (Setchell & N.L.Gardner) I.A.Abbott, 1972: moderately turbid waters
• Aglaothamnion fasciculatum (Harvey) Maggs & L'Hardy-Halos, 1993: moderately turbid waters
• Aglaothamnion feldmanniae Halos, 1965: moderately turbid waters
• Aglaothamnion felipponei (Howe) Aponte, Ballantine & J.N.Norris, 1994: moderately turbid waters
• Aglaothamnion flexibile N.E.Aponte & D.L.Ballantine, 1995: moderately turbid waters
• Aglaothamnion gaillonii (P.L.Crouan & H.M.Crouan) Halos, 1965: moderately turbid waters
• Aglaothamnion halliae (Collins) Aponte, D.L.Ballantine & J.N.Norris, 1997: moderately turbid waters
• Aglaothamnion herveyi (M.Howe) N.E.Aponte, D.L.Ballantine & J.N.Norris, 1994: moderately turbid waters
• Aglaothamnion monopodon Børgesen, 1945: moderately turbid waters
• Aglaothamnion obstipum Cowling, Kraft & J.A.West, 1998: moderately turbid waters
• Aglaothamnion okiense Kajimura, 1994: moderately turbid waters
• Aglaothamnion oosumiense Itono, 1971: moderately turbid waters
• Aglaothamnion priceanum Maggs, Guiry & Rueness, 1991: moderately turbid waters
• Aglaothamnion propebyssoides (Womersley) Cormaci, G. Furnari & Alongi, 2023: moderately turbid waters
• Aglaothamnion pseudobyssoides (P.Crouan & H.Crouan) Halos, 1965: moderately turbid waters
• Aglaothamnion rabenhorstii (Kützing) L'Hardy-Halos: moderately turbid waters
• Aglaothamnion sarcodiae Børgesen, 1952: moderately turbid waters
• Aglaothamnion scopulorum (C.Agardh) Feldmann-Mazoyer, 1941: moderately turbid waters
• Aglaothamnion shepherdii (Womersley) Cormaci, G. Furnari & Alongi, 2023: moderately turbid waters
• Aglaothamnion tenuissimum (Bonnemaison) Feldmann-Mazoyer, 1941: moderately turbid waters
• Aglaothamnion tripinnatum (C.Agardh) Feldmann-Mazoyer, 1941: moderately turbid waters
• Aglaothamnion uruguayense (W.R.Taylor) N.E.Aponte, D.L.Ballantine & J.N.Norris, 1994: moderately turbid waters
• Aglaothamnion violaceum (Harvey) Cormaci, G.Furnari & Alongi, 2023: moderately turbid waters
• Amphiroa abbreviata Duchassaing, 1850: moderately turbid waters
• Amphiroa americana Johnson & Ferris: moderately turbid waters
• Amphiroa anastomosans Weber-van Bosse, 1904: moderately turbid waters
• Amphiroa anceps (Lamarck) Decaisne, 1842: moderately turbid waters
• Amphiroa anchiverricosa Johnson & Ferris: moderately turbid waters
• Amphiroa angustata: moderately turbid waters
• Amphiroa angustivirgata J.P.Beckmann & R.Beckmann: moderately turbid waters
• Amphiroa annobonensis Pilger, 1919: moderately turbid waters
• Amphiroa annulata Me.Lemoine, 1929: moderately turbid waters
• Amphiroa aspergillum: moderately turbid waters
• Amphiroa beauvoisii J.V.Lamouroux, 1816: moderately turbid waters
• Amphiroa boviesii Kützing: moderately turbid waters
• Amphiroa bowerbankii Harvey, 1849: moderately turbid waters
• Amphiroa brasiliana Decaisne, 1842: moderately turbid waters
• Amphiroa breviarticulata Areschoug, 1852: moderately turbid waters
• Amphiroa canaliculata G.Martens, 1866: moderately turbid waters
• Amphiroa capensis Areschoug, 1852: moderately turbid waters
• Amphiroa carpiana (Dragastan) Dragastan: moderately turbid waters
• Amphiroa cladoniiformis Meneghini ex Kützing: moderately turbid waters
• Amphiroa compressa M.Lemoine, 1929: moderately turbid waters
• Amphiroa comprexa Ishijima, 1944 †: moderately turbid waters
• Amphiroa crassa J.V.Lamouroux, 1824: moderately turbid waters
• Amphiroa crosslandii Me.Lemoine, 1929: moderately turbid waters
• Amphiroa crustiformis E.Y.Dawson, 1963: moderately turbid waters
• Amphiroa cryptarthrodia Zanardini, 1843: moderately turbid waters
• Amphiroa cumingii Montagne, 1844: moderately turbid waters
• Amphiroa currae Ganesan, 1971: moderately turbid waters
• Amphiroa cylindrica Ishijima, 1944 †: moderately turbid waters
• Amphiroa delicatula Lemoine: moderately turbid waters
• Amphiroa desmoulinii Duchassaing, 1850: moderately turbid waters
• Amphiroa dilatata Decaisne: moderately turbid waters
• Amphiroa dimorpha Me.Lemoine, 1929: moderately turbid waters
• Amphiroa droogeri Souaya: moderately turbid waters
• Amphiroa echigoensis Yendo, 1902: moderately turbid waters
• Amphiroa elongata Ishijima, 1944 †: moderately turbid waters
• Amphiroa ephedracea Decaisne: moderately turbid waters
• Amphiroa ephedraea (Lamarck) Decaisne, 1842: moderately turbid waters
• Amphiroa exilis Harvey, 1849: moderately turbid waters
• Amphiroa firma Kützing: moderately turbid waters
• Amphiroa foliacea J.V.Lamouroux, 1824: moderately turbid waters
• Amphiroa formosana Ishijima, 1944 †: moderately turbid waters
• Amphiroa franciscana W.R.Taylor, 1945: moderately turbid waters
• Amphiroa galapagensis W.R.Taylor, 1945: moderately turbid waters
• Amphiroa galerita Giffen: moderately turbid waters
• Amphiroa gracilis Harvey, 1855: moderately turbid waters
• Amphiroa guatemalensis J.H.Johnson & Kaska, 1965 †: moderately turbid waters
• Amphiroa hancockii W.R.Taylor, 1942: moderately turbid waters
• Amphiroa hanzawai Ishijima: moderately turbid waters
• Amphiroa harveyana Tittley, L.M.Irvine & T.Kartawick, 1984: moderately turbid waters
• Amphiroa hayasakae Ishijima, 1944 †: moderately turbid waters
• Amphiroa heterarthra Trevisan: moderately turbid waters
• Amphiroa howei Ishijima, 1938 †: moderately turbid waters
• Amphiroa howensis A.H.S.Lucas, 1935: moderately turbid waters
• Amphiroa involuta Kützing: moderately turbid waters
• Amphiroa iraquensis J.H.Johnson: moderately turbid waters
• Amphiroa irregularis Kützing, 1843: moderately turbid waters
• Amphiroa itonoi Srimanobhas & Masaki, 1987: moderately turbid waters
• Amphiroa johansenii Woelkerling, 1983: moderately turbid waters
• Amphiroa klochkovana A.S.Harvey, W.J.Woelkerling & A.J.K.Millar, 2009: moderately turbid waters
• Amphiroa kotobukiana Ishijima, 1944 †: moderately turbid waters
• Amphiroa laurentii Duchassaing, 1850: moderately turbid waters
• Amphiroa lemoineae Souaya: moderately turbid waters
• Amphiroa longa Duchassaing, 1850: moderately turbid waters
• Amphiroa longissima W.Ishijima, 1938 †: moderately turbid waters