• Acrosiphonia arcta (Dillwyn) Gain, 1912: two motile gametes
• Acrosiphonia coalita (Ruprecht) Scagel, Garbary, Golden & M.W.Hawkes, 1986: two motile gametes
• Acrosiphonia congregata (Agardh) Kjellman: two motile gametes
• Acrosiphonia duriuscula (Ruprecht) Yendo, 1916: two motile gametes
• Acrosiphonia effusa Kjellman, 1893: two motile gametes
• Acrosiphonia flabelliformis Jónsson: two motile gametes
• Acrosiphonia flaccida Kjellman: two motile gametes
• Acrosiphonia flagellata Kjellman, 1893: two motile gametes
• Acrosiphonia grandis Kjelmann, 1893: two motile gametes
• Acrosiphonia hemisphaerica Kjellman, 1893: two motile gametes
• Acrosiphonia heterocladia (Sakai) K.L.Vinogradova, 1979: two motile gametes
• Acrosiphonia incurva Kjellman, 1893: two motile gametes
• Acrosiphonia minima (Fosl.) Kjellman: two motile gametes
• Acrosiphonia orientalis (J.Agardh) P.C.Silva, 1996: two motile gametes
• Acrosiphonia penicilliformis (Foslie) Kjellman, 1893: two motile gametes
• Acrosiphonia saxatilis (Ruprecht) K.L.Vinogradova, 1979: two motile gametes
• Acrosiphonia setacea Kjellman: two motile gametes
• Acrosiphonia spinescens (Kützing) Kjellman, 1893: two motile gametes
• Acrosiphonia stolonifera Kjellman, 1893: two motile gametes
• Alaria angusta Kjellman, 1889: two motile gametes
• Alaria cordata Tilden, 1898: two motile gametes
• Alaria costata Fallis: two motile gametes
• Alaria crassifolia Kjellman, 1885: two motile gametes
• Alaria crispa Kjellman, 1889: two motile gametes
• Alaria dolichorachis: two motile gametes
• Alaria elliptica Kjellman, 1883: two motile gametes
• Alaria flagellaris Strömfelt, 1886: two motile gametes
• Alaria fragilis De A.Saunders, 1901: two motile gametes
• Alaria longipes (Ruprecht) De Toni, 1895: two motile gametes
• Alaria macrophylla Miyabe, 1902: two motile gametes
• Alaria marginata Postels & Ruprecht, 1840: two motile gametes
• Alaria musifolia (De la Pylaie) J.Agardh, 1872: two motile gametes
• Alaria oblonga Kjellman, 1883: two motile gametes
• Alaria ochotensis Yendo, 1919: two motile gametes
• Alaria paradisea (Miyabe & Nagai) Widdowson, 1972: two motile gametes
• Alaria praelonga Kjellman, 1889: two motile gametes
• Alaria pylaiei (Bory) Greville, 1830: two motile gametes
• Alaria remotifolia (De la Pylaie) Widdowson nom.prov.: two motile gametes
• Alaria striata J.Agardh ineditae: two motile gametes
• Bryopsis africana Areschoug, 1851: two motile gametes
• Bryopsis aishae Nizamuddin, 1995: two motile gametes
• Bryopsis australis Sonder, 1845: two motile gametes
• Bryopsis balbisii Solier: two motile gametes
• Bryopsis caespitosa Suhr ex Kützing, 1849: two motile gametes
• Bryopsis canterburyensis V.J.Chapman, 1956: two motile gametes
• Bryopsis cespitosa Suhr ex Kützing, 1849: two motile gametes
• Bryopsis chapmanii Molinari & Guiry, 2021: two motile gametes
• Bryopsis composita C.Agardh, 1823: two motile gametes
• Bryopsis corticulans Setchell, 1899: two motile gametes
• Bryopsis corymbosa J.Agardh, 1842: two motile gametes
• Bryopsis cupressina J.V.Lamouroux, 1809: two motile gametes
• Bryopsis derbesioides V.J.Chapman, 1956: two motile gametes
• Bryopsis dichotoma De Notaris, 1845: two motile gametes
• Bryopsis duplex De Notaris, 1844: two motile gametes
• Bryopsis eckloniae Stegenga, Bolton & R.J.Anderson, 1997: two motile gametes
• Bryopsis feldmannii Gallardo & G.Furnari, 1993: two motile gametes
• Bryopsis foliosa Sonder, 1845: two motile gametes
• Bryopsis galapagensis W.R.Taylor, 1945: two motile gametes
• Bryopsis gemellipara J.Agardh, 1887: two motile gametes
• Bryopsis halliae W.R.Taylor, 1962: two motile gametes
• Bryopsis hookeri Schiffner: two motile gametes
• Bryopsis hypnoides J.V.Lamouroux, 1809: two motile gametes
• Bryopsis indica A.Gepp & E.S.Gepp, 1908: two motile gametes
• Bryopsis interrupta Meneghini: two motile gametes
• Bryopsis kermadecensis V.J.Chapman, 1961: two motile gametes
• Bryopsis lindaueri V.J.Chapman, 1956: two motile gametes
• Bryopsis lyngbyei Hornemann, 1818: two motile gametes
• Bryopsis macraildii Womersley, 1984: two motile gametes
• Bryopsis macrocarpa A.C.Brown & N.Jarman, 1978: two motile gametes
• Bryopsis magellanica Hylmö, 1919: two motile gametes
• Bryopsis manorensis Nizamuddin, 1995: two motile gametes
• Bryopsis maxima Okamura ex Segawa, 1956: two motile gametes
• Bryopsis minor Womersley, 1955: two motile gametes
• Bryopsis muscosa J.V.Lamouroux, 1809: two motile gametes
• Bryopsis myosuroides Kützing, 1856: two motile gametes
• Bryopsis nana M.J.Wynne, 2005: two motile gametes
• Bryopsis olivacea V.J.Chapman: two motile gametes
• Bryopsis pakistanica Nizamuddin, 1995: two motile gametes
• Bryopsis palliolatis Kraft & A.J.K.Millar, 2000: two motile gametes
• Bryopsis penicillum Meneghini, 1845: two motile gametes
• Bryopsis pennata J.V.Lamouroux, 1809: two motile gametes
• Bryopsis pennulata Liebmann ex Kützing, 1849: two motile gametes
• Bryopsis peruviana W.R.Taylor, 1947: two motile gametes
• Bryopsis Petteri Meneghini ex Kützing: two motile gametes
• Bryopsis plumosa (Hudson) C.Agardh, 1823: two motile gametes
• Bryopsis plumose: two motile gametes
• Bryopsis pottsii Setchell, 1924: two motile gametes
• Bryopsis profunda Kraft & K.R.Dixon, 2007: two motile gametes
• Bryopsis pseudocorymbosa V.J.Chapman, 1956: two motile gametes
• Bryopsis pusilla Levring, 1938: two motile gametes
• Bryopsis qasimensis M.Nizamuddin: two motile gametes
• Bryopsis ramulosa Montagne, 1842: two motile gametes
• Bryopsis rhizoidea V.J.Chapman, 1956: two motile gametes
• Bryopsis rhizophora M.Howe, 1914: two motile gametes
• Bryopsis robusta M.J.Wynne, 2005: two motile gametes
• Bryopsis rosae C.Agardh, 1823: two motile gametes
• Bryopsis ryukyuensis Yamada, 1934: two motile gametes
• Bryopsis salvadoreana E.Y.Dawson, 1961: two motile gametes
• Bryopsis secunda J.Agardh, 1841: two motile gametes
• Bryopsis spinescens G.Zeller, 1876: two motile gametes