• Rhodymenia Greville, 1830
• Rhodymenia abyssicola Perestenko, 2008
• Rhodymenia acanthophora Greville
• Rhodymenia adnata Okamura, 1934 accepted as Halopeltis adnata (Okamura) G.W.Saunders & Schneider, 2012
• Rhodymenia alcicornis J.Agardh, 1841 accepted as Austrophyllis alcicornis (J.Agardh) Womersley & R.E.Norris, 1971
• Rhodymenia anastomosans Weber-van Bosse, 1926 accepted as Asteromenia anastomosans (Weber-van Bosse) G.W.Saunders, C.E.Lane, C.W.Schneider & Kraft, 2006
• Rhodymenia angustifolia Sonder, 1881 (uncertain)
• Rhodymenia antarctica Skottsberg, 1953 accepted as Palmaria decipiens (Reinsch) R.W.Ricker, 1987
• Rhodymenia arborescens E.Y.Dawson, 1941
• Rhodymenia ardissonei (Kuntze) Feldmann, 1937
• Rhodymenia ardissonei var. robustior (Ercegovic) Antolic & Span, 2013
• Rhodymenia ardissonei var. torta (Ercegovic) Antolic & Span, 2013
• Rhodymenia attenuata E.Y.Dawson, 1941 accepted as Rhodymenia californica Kylin, 1931
• Rhodymenia australis Sonder, 1845 accepted as Halopeltis australis (J.Agardh) G.W.Saunders, 2010
• Rhodymenia australis var. constricta (Turner) Sonder
• Rhodymenia baerii Postels & Ruprecht, 1840
• Rhodymenia bangii (Hornemann) J.Agardh, 1876 accepted as Phyllophora crispa (Hudson) P.S.Dixon, 1964
• Rhodymenia bifida Greville, 1830 accepted as Rhodophyllis divaricata (Stackhouse) Papenfuss, 1950
• Rhodymenia caespitosa P.J.L.Dangeard, 1939
• Rhodymenia californica Kylin, 1931
• Rhodymenia californica var. attenuata (E.Y.Dawson) E.Y.Dawson, 1963 accepted as Rhodymenia californica Kylin, 1931
• Rhodymenia callophyllidoides Hollenberg & I.A.Abbott, 1965
• Rhodymenia capensis J.Agardh, 1894
• Rhodymenia caulescens (Kützing) A.J.K.Millar, 2005
• Rhodymenia centrocarpa (Montagne) Montagne, 1852 accepted as Rhodophyllis centrocarpa (Montagne) M.J.Wynne, 1993
• Rhodymenia cervicornis (Turner) Montagne, 1842 accepted as Gracilaria cervicornis (Turner) J.Agardh, 1852
• Rhodymenia chauvinii (Bory de Saint-Vincent) Greville, 1830 accepted as Chondracanthus chauvinii (Bory) Kützing, 1843
• Rhodymenia chiloensis Montagne, 1854
• Rhodymenia ciliata (Hudson) Greville, 1830 accepted as Calliblepharis ciliata (Hudson) Kützing, 1843
• Rhodymenia ciliata var. ligulata Reinsch, 1888
• Rhodymenia ciliata var. microphylla Harvey, 1833 accepted as Chondracanthus harveyanus (Kützing) Guiry, 1993
• Rhodymenia cinnabarina J.Agardh, 1841
• Rhodymenia coacta Okamura & Segawa, 1935
• Rhodymenia coccinia Harvey, 1847 accepted as Callophyllis rangiferina (R.Brown ex Turner) Womersley, 1973
• Rhodymenia coccocarpa (Montagne) M.J.Wynne, 2007
• Rhodymenia coespitosella L'Hardy-Halos, 1976
• Rhodymenia compressa Filloramo & G.W.Saunders, 2016
• Rhodymenia contortuplicata Filloramo & G.W.Saunders, 2016
• Rhodymenia corallicola (Zanardini) Ardissone, 1878 accepted as Gracilaria corallicola Zanardini, 1868
• Rhodymenia corallicola Ardissone, 1883 accepted as Rhodymenia ardissonei (Kuntze) Feldmann, 1937
• Rhodymenia corallicola var. robustior Ercegovic, 1949
• Rhodymenia corallicola var. torta Ercegovic, 1949
• Rhodymenia corallina (Bory de Saint-Vincent) Greville, 1830
• Rhodymenia coriacea J.D.Hooker & Harvey, 1845 accepted as Curdiea coriacea (J.D.Hooker & Harvey) J.Agardh, 1876
• Rhodymenia corticata J.Agardh, 1841 accepted as Gracilaria corticata (J.Agardh) J.Agardh, 1852
• Rhodymenia crassa Zanardini, 1843 (uncertain)
• Rhodymenia crozetii Levring, 1944
• Rhodymenia cuneata Harvey, 1859 accepted as Halopeltis cuneata (Harvey) G.W.Saunders, 2010
• Rhodymenia cuneifolia (J.D.Hooker & Harvey) W.R.Taylor, 1939 accepted as Rhodymenia coccocarpa (Montagne) M.J.Wynne, 2007
• Rhodymenia cuneifolia Okamura, 1934 accepted as Gracilaria cuneifolia (Okamura) I.K.Lee & Kurogi, 1977
• Rhodymenia dawsonii W.R.Taylor, 1945
• Rhodymenia decipiens Reinsch, 1888 accepted as Palmaria decipiens (Reinsch) R.W.Ricker, 1987
• Rhodymenia decumbens W.R.Taylor, 1945
• Rhodymenia delicatula P.J.L.Dangeard, 1949
• Rhodymenia dichotoma J.D.Hooker & Harvey, 1845
• Rhodymenia discigera J.Agardh, 1841 accepted as Thamnophyllis discigera (J.Agardh) R.E.Norris, 1964
• Rhodymenia dissecta Børgesen, 1938
• Rhodymenia divaricata E.Y.Dawson, 1941
• Rhodymenia dregeana Suhr, 1840 (uncertain)
• Rhodymenia dregeana var. costata Suhr, 1840 (uncertain)
• Rhodymenia dregeana var. palmata Suhr, 1840 (uncertain)
• Rhodymenia elata Harvey, 1855 accepted as Carpopeltis elata (Harvey) De Toni, 1905
• Rhodymenia erythraea Zanardini, 1858
• Rhodymenia eyreana Papenfuss, 1947
• Rhodymenia fabriciana (Lyngbye) J.Agardh, 1841 accepted as Membranoptera fabriciana (Lyngbye) M.J.Wynne & G.W.Saunders, 2012
• Rhodymenia falklandica (W.R.Taylor) M.J.Wynne, 2017
• Rhodymenia fimbriata Greville, 1830 accepted as Calliblepharis fimbriata (Greville) Kützing, 1843
• Rhodymenia fimbriata J.D.Hooker & Harvey, 1847 accepted as Craspedocarpus ramentaceus (C.Agardh) Min-Thein & Womersley, 1976
• Rhodymenia flabellata (Baardseth) G.W.Saunders, C.M.Brooks & SU.Scott, 2019
• Rhodymenia flabellifolia (Bory de Saint-Vincent) Montagne, 1846
• Rhodymenia foliifera Harvey, 1863 accepted as Halopeltis australis (J.Agardh) G.W.Saunders, 2010
• Rhodymenia gardneri (Setchell) Kylin, 1925 accepted as Fryeella gardneri (Setchell) Kylin, 1931
• Rhodymenia georgica Reinsch, 1888 accepted as Palmaria georgica (Reinsch) R.W.Ricker, 1987
• Rhodymenia gladiata Filloramo & G.W.Saunders, 2016
• Rhodymenia hainanensis B.-M.Xia & Y.-Q.Zhang, 2000
• Rhodymenia halymenioides (J.Agardh) Womersley, 1996 accepted as Halopeltis cuneata (Harvey) G.W.Saunders, 2010
• Rhodymenia hancockii E.Y.Dawson, 1941
• Rhodymenia holmesii Ardissone, 1893
• Rhodymenia hombroniana Montagne, 1842 accepted as Blastophyllis hombroniana (Montagne) D'Archino & W.A.Nelson, 2017
• Rhodymenia hookeri Harvey, 1845 accepted as Calliblepharis fimbriata (Greville) Kützing, 1843
• Rhodymenia hookeri var. atrosanguinea J.D.Hooker & Harvey, 1845 accepted as Callophyllis atrosanguinea (Hooker f. & Harvey) Hariot, 1887
• Rhodymenia howeana E.Y.Dawson, 1941
• Rhodymenia huertae J.N.Norris, 2014
• Rhodymenia indica Weber Bosse, 1928
• Rhodymenia insularis Filloramo & G.W.Saunders, 2016
• Rhodymenia intricata (Okamura) Okamura, 1930
• Rhodymenia javanica Sonder, 1854
• Rhodymenia jubata (Goodenough & Woodward) Greville, 1830 accepted as Calliblepharis jubata (Goodenough & Woodward) Kützing, 1843
• Rhodymenia laciniata (Hudson) Greville, 1830 accepted as Metacallophyllis laciniata (Hudson) A.Vergés & L.Le Gall, 2017
• Rhodymenia lambertii (Turner) Greville ex J.D.Hooker & Harvey, 1847 accepted as Callophyllis lambertii (Turner) Kützing, 1849
• Rhodymenia lambertii (Turner) Greville, 1830 accepted as Callophyllis lambertii (Turner) Kützing, 1849
• Rhodymenia lanceolata Harvey, 1855 accepted as Hymenocladia chondricola (Sonder) J.A.Lewis, 1994
• Rhodymenia leptofaucheoides P.Huvé & H.Huvé, 1971
• Rhodymenia leptophylla J.Agardh, 1878
• Rhodymenia leptophylla f. minima Weber-van Bosse, 1928
• Rhodymenia leptophylloides E.Y.Dawson, 1941 accepted as Rhodymenia leptophylla J.Agardh, 1878
• Rhodymenia ligulata Zanardini, 1843
• Rhodymenia linearis J.Agardh, 1841
• Rhodymenia liniformis Okamura, 1934
• Rhodymenia lobata E.Y.Dawson, 1941