• Acanthopeltis hirsuta (Okamura) S. Shimada, T. Horiguchi & Masuda
• Acanthopeltis japonica Okamura, 1892
• Acanthopeltis longiramulosa Y. Lee & B. Kim, 2003
• Acrocarpus capitatus Kützing, 1868 accepted as Gelidiopsis capitata (Kützing) Lipkin & P.C. Silva, 2002
• Acrocarpus clavatus
• Acrocarpus corymbosus Kützing, 1868 accepted as Gelidium crinale (Hare ex Turner) Gaillon, 1828
• Acrocarpus crinalis (Turner) Kützing, 1843 accepted as Gelidium crinale (Hare ex Turner) Gaillon, 1828
• Acrocarpus delicatulus Kützing
• Acrocarpus delicatulus Kützing, 1868 accepted as Gelidium delicatulum (Kützing) Setchell, 1924
• Acrocarpus gracilis Kützing, 1849 accepted as Gelidiopsis variabilis (Greville ex J.G. Agardh) F. Schmitz, 1895
• Acrocarpus intricatus (C. Agardh) Kützing, 1868 accepted as Gelidiopsis intricata (C. Agardh) Vickers, 1905
• Acrocarpus lateralis Kützing
• Acrocarpus lubricus Kützing, 1843 accepted as Gelidiella lubrica (Kützing) Feldmann & G. Hamel, 1934
• Acrocarpus plumula (Esper) C. Agardh
• Acrocarpus pulvinatus Kützing accepted as Gelidium pulvinatum (Kützing) Thuret ex Bornet
• Acrocarpus pusillus (Stackhouse) Kützing, 1849 accepted as Gelidium pusillum (Stackhouse) Le Jolis, 1863
• Acrocarpus ramellosus Kützing, 1843 accepted as Gelidiella ramellosa (Kützing) Feldmann & G. Hamel, 1934
• Acrocarpus setaceus Kützing
• Acrocarpus spathulatus Kützing, 1868
• Acrocarpus spinescens Kützing
• Acropeltis abscissa (Turner) Trevisan
• Acropeltis australis J.G. Agardh, 1852 accepted as Rhodymenia sonderi P.C. Silva, 1996
• Acropeltis capensis Decaisne
• Acropeltis chilensis Montagne, 1837 accepted as Gelidium chilense (Montagne) Santelices & Montalva, 1983
• Acropeltis elata (Harvey) Harvey, 1860 accepted as Carpopeltis elata (Harvey) De Toni, 1905
• Acropeltis jaubertiana (Montagne) Trevisan, 1845 accepted as Melanthalia obtusata (Labillardière) J.G. Agardh, 1852
• Acropeltis obtusata (Labill.) Trevisan
• Acropeltis phyllophora J.D. Hooker & Harvey, 1847 accepted as Carpopeltis phyllophora (J.D. Hooker & Harvey) F. Schmitz, 1897
• Acropeltis prolifera Areschoug
• Aphanta pachyrrhiza Tronchin & Freshwater, 2007
• Beckerella beckeri (Holmes) Kylin, 1956 accepted as Beckerella pinnatifida (J.G. Agardh) Kylin, 1956
• Beckerella biserrata (Børgesen) K.-C. Fan & Papenfuss, 1961
• Beckerella helenae (Dickinson) K.-C. Fan & Papenfuss, 1961
• Beckerella hildebrandtii (Hauck) Kylin, 1956
• Beckerella irregularis Akatsuka & Masaki, 1983 accepted as Ptilophora irregularis (Akatsuka & Masaki) R.E. Norris, 1987
• Beckerella mediterranea H. Huvé, 1962
• Beckerella pectinata (A. Gepp & E.S. Gepp) K.C. Fan & Papenfuss, 1961
• Beckerella pinnatifida (J.G. Agardh) Kylin, 1956
• Beckerella pterocladioides (Andriamampandry) P.C. Silva, 1996
• Beckerella pterocladioides A.V. Andriamampandry
• Beckerella rumpii (Dickinson) Papenfuss & Fan, 1961
• Beckerella scalaramosa Kraft, 1976
• Beckerella subcostata (Okamura) Kylin, 1956 accepted as Ptilophora subcostata (Okamura) R.E. Norris, 1987
• Capreolia implexa Guiry & Womersley, 1993
• Cornea capillacea (Gmelin) Stackhouse
• Cornea deformis (Turner) Stackhouse
• Cornea filicina (Hudson) Stackhouse
• Cornea pusilla (Stackhouse) Stackhouse
• Cornea sericea (Gmelin) Stackhouse
• Cornea spinosa (Gmelin) Stackhouse
• Echinocaulon acerosus (Forsskål) Børgesen, 1932 accepted as Gelidiella acerosa (Forsskål) Feldmann & G. Hamel, 1934
• Echinocaulon armatum Kützing, 1863
• Echinocaulon hispidum Kützing, 1843
• Echinocaulon myriocladum Børgesen, 1934 accepted as Gelidiella myrioclada (Børgesen) Feldmann & G. Hamel, 1934
• Echinocaulon nigrescens Feldmann, 1931 accepted as Gelidiella nigrescens (Feldmann) Feldmann & G. Hamel, 1934
• Echinocaulon pannosum Feldmann, 1931 accepted as Gelidiella pannosa Feldmann & G. Hamel, 1934
• Echinocaulon ramelliferum (Kützing) Kützing, 1868 accepted as Gelidiella acerosa (Forsskål) Feldmann & G. Hamel, 1934
• Echinocaulon ramellosum (Kützing) Feldmann, 1931 accepted as Gelidiella ramellosa (Kützing) Feldmann & G. Hamel, 1934
• Echinocaulon rigidum (M. Vahl) Kützing, 1843 accepted as Gelidiella acerosa (Forsskål) Feldmann & G. Hamel, 1934
• Echinocaulon rigidusculum Feldmann, 1931 accepted as
• Echinocaulon sanctarum Hamel & Hamel-Joukov, 1931 accepted as Gelidiella sanctarum Feldmann & G. Hamel, 1934
• Echinocaulon sanctarum Hamel & Hamel-Joukov, 1931 accepted as Pterocladiella sanctarum (Feldmann & Hamel) Santelices, 2007
• Echinocaulon setaceum Feldmann, 1931 accepted as Gelidiella setacea (Feldmann) Feldmann & G. Hamel, 1934
• Echinocaulon spinellum Kützing, 1843 accepted as Gelidiella acerosa (Forsskål) Feldmann & G. Hamel, 1934
• Echinocaulon strigosum Kützing, 1868
• Gelidiella acerosa (Forsskål) Feldmann & G. Hamel, 1934
• Gelidiella adnata E.Y. Dawson, 1954 accepted as Gelidiella antipae Celan
• Gelidiella antipae Celan
• Gelidiella antipai Celan, 1938
• Gelidiella bornetii (Weber-van Bosse) Feldmann & G. Hamel, 1934 accepted as Gelidiella lubrica (Kützing) Feldmann & G. Hamel, 1934
• Gelidiella calcicola Maggs & Guiry, 1988
• Gelidiella diuens Sreenivasa Rao & Trivedi, 1990
• Gelidiella fanii S.-M. Lin, 2008
• Gelidiella feldmannii Baardseth, 1941
• Gelidiella hancockii E.Y. Dawson, 1944
• Gelidiella indica Sreenivasa Rao, 1971
• Gelidiella ligulata E.Y. Dawson, 1953
• Gelidiella lubrica (Kützing) Feldmann & G. Hamel, 1934
• Gelidiella machrisiana E.Y. Dawson, 1957
• Gelidiella mexicana E.Y. Dawson, 1944
• Gelidiella minima Guiry & Womersley, 1992 accepted as Pterocladiella minima (Guiry & Womersley) Santelices & Hommersand, 1997
• Gelidiella myrioclada (Børgesen) Feldmann & G. Hamel, 1934
• Gelidiella myriocladia (Borgesen) Feldmann & Hamel
• Gelidiella nigrescens (Feldmann) Feldmann & G. Hamel, 1934
• Gelidiella pannosa Feldmann & G. Hamel, 1934
• Gelidiella ramellosa (Kützing) Feldmann & G. Hamel, 1934
• Gelidiella refugiensis E.Y. Dawson, 1944 accepted as Gelidium refugiensis (E.Y. Dawson) Santelices, 2007
• Gelidiella rigidiuscula (Feldmann) Feldmann & G. Hamel, 1934
• Gelidiella sanctarum Feldmann & G. Hamel, 1934
• Gelidiella setacea (Feldmann) Feldmann & G. Hamel, 1934
• Gelidiella stichidiospora E.Y. Dawson, 1953 accepted as Gelidiella antipae Celan
• Gelidiella taylori A.B. Joly, 1957
• Gelidiella tenuissima Feldmann & G. Hamel, 1936 accepted as Gelidiella pannosa Feldmann & G. Hamel, 1934
• Gelidiella tinerfensis Seoane-Camba, 1977
• Gelidiella trinitatensis W.R. Taylor, 1943
• Gelidiella womersleyana G.T. Kraft & I.A. Abbott, 1998
• Gelidium abbottiorum R.E. Norris, 1990
• Gelidium acrocarpum Harvey ex Kützing, 1869 accepted as Gelidiopsis repens (Kützing) Weber-van Bosse, 1928
• Gelidium aculeatum (Greville) Batters
• Gelidium aculeatum Hering, 1846 accepted as Gracilaria aculeata (K. Hering) Papenfuss, 1967