| Name | Author | Source | Citation | Year |
|---|
| GASTROCLONIUM | (Kützing) J. Agardh | image |
| GASTROCLONIUM | Kützing | image |
| Gastroclonium affine | (Hook. fil. & Harv.) Kützing | image |
| Gastroclonium affine | (J. Hooker & Harvey) Kützing | Sp. alg.: | 866 | 1849 |
| Gastroclonium capense | (Harvey) De Toni | image |
| Gastroclonium chiajeanum | (Menegh.) Kützing | image |
| Gastroclonium chiajeanum | (Meneghini) Kützing | Sp. Alg.: | 866 | 1849 |
| Gastroclonium clavatum | (Roth) Ardissone | image |
| Gastroclonium compressum | (G.J. Hollenberg) C.F. Chang & B.M. Xia | Oceanol. et Limnol. Sin. | 9: 209, footnote; 213, footnote | 1978 |
| Gastroclonium compressum_('compressaum') | (Hollenberg) C.F. Chang & B.M. Xia | image |
| Gastroclonium coulteri | (Harvey) Kylin | Lunds Univ. A\*orsskr., N.F., Avd. 2, | 27{11}: 30 | 1931 |
| Gastroclonium cylindricum | B. Santelices, I.A. Abbott, & M.E. Ramírez in Santelices, Ramírez, & Abbott | Brit. Phycol. J. | 24: 76, figs. 4, 5 | 1989 |
| Gastroclonium cylindricum | B. Santelices, I.A. Abbott, & M.E. Ramirez | image |
| Gastroclonium dasycladum | (Kützing) Ardissone | image |
| Gastroclonium iyengarii | K. Srinivasan | J. Indian Bot. Soc. | 39: 159, figs. 1-5, pl. IV | 1960 |
| Gastroclonium iyengarii | Srinivasan | image |
| Gastroclonium kaliforme | (Goodenough & Woodward) Ardissone | image |
| Gastroclonium kaliforme f. nana | Schiffner | image |
| Gastroclonium kaliforme f. patens | (Kützing) Schiffner | image |
| Gastroclonium kaliforme var. dasyclada | (Kützing) Schiffner | image |
| Gastroclonium kaliforme var. moniliferum | Ardissone | image |
| Gastroclonium kaliforme var. patens | (Kützing) Ardissone | image |
| Gastroclonium kaliforme var. squarrosum | (Kützing) Ardissone | image |
| Gastroclonium kaliforme var. squarrosum | Ardissone & Strafforello | image |
| Gastroclonium minutulum | Reinsch | image |
| Gastroclonium obovatum | (C. Agardh) Kützing | Species algarum: | 865 (excluding material at hand; see Botryocladia sonderi) | 1849 |
| Gastroclonium obovatum | (C. Agardh) Kützing | image |
| Gastroclonium opuntia | (Endlicher) Kützing | Species algarum: | 866 | 1849 |
| Gastroclonium opuntia | (J. Agardh) Kützing | image |
| Gastroclonium ovale | (Hudson) Kützing | image |
| Gastroclonium ovale f. coulteri | (Harvey) De Toni | image |
| Gastroclonium ovale f. subarticulatum | Crauan | image |
| Gastroclonium ovale var. coulteri | (Harvey) Mazza | Nuova Notarisia | 19: 6 | 1908 |
| Gastroclonium ovatum | (Hudson) Papenfuss | Farlowia | 1: 344 | 1944 |
| Gastroclonium pacificum | (E.Y. Dawson) C.F. Chang & B.M. Xia | Oceanol. et Limnol. Sin. | 9: 209, footnote; 213, footnote | 1978 |
| Gastroclonium pacificum_('pacificaum') | (Dawson) C.F. Chang & B.M. Xia | image |
| Gastroclonium parvaum_('parvaum') | (Hollenberg) C.F. Chang & B.M. Xia | image |
| Gastroclonium parvum | (G.J. Hollenberg) C.F. Chang & B.M. Xia | Oceanol. et Limnol. Sin. | 9: 209, footnote; 213, footnote | 1978 |
| Gastroclonium pygmaeum | Funk | image |
| Gastroclonium reflexum | (Chauvin) Kützing | Species algarum: | 866 | 1849 |
| Gastroclonium reflexum | (Chauvin) Kützing | image |
| Gastroclonium reflexum var. subtile | Kützing | image |
| Gastroclonium salicornia | Kützing | image |
| Gastroclonium subarticulatum | (Turner) Kützing | Phycol. General.: | 441 | 1843 |
| Gastroclonium subarticulatum | (Turner) Kützing | image |
| Gastroclonium trichodes | (C. Pujals) B. Santelices, | image |
| Gastroclonium trichodes | (C. Pujals) B. Santelices, I.A. Abbott, & M.E. Ramírez in Santelices, Ramírez, & Abbott | Brit. Phycol. J. | 24: 79 | 1989 |
| Gastroclonium umbellatum | Kützing | image |
| Gastroclonium uvaria | (J.A. Murray) Kützing | image |
| Gastroclonium uvaria var. micrococcum | Montagne ex Kützing | image |
| Gastroclonium xishaense_(`xishaensis') | C.F. Chang & B.M. Xia | Oceanol. et Limnol. Sin. | 9: 210, 213, figs. 1, 2 | 1978 |
| Gastroclonium xishaensis | C.F. Chang & B.M. Xia | image |
| Gastroclonium zostericola_('zostericolum') | (Harvey) De Toni | image |
| Gastroclonium zostericola_(`zostericolum') | (Harvey) De Toni | Sylloge algarum ... Vol. IV. Florideae. Sectio II: | 567 | 1900 |
| NEOGASTROCLONIUM | L. Le Gall, J. Dalen, & G. Saunders | J. Phycol. | 44: 1569 | 2008 |
| Neogastroclonium subarticulatum | (Turner) L. Le Gall, J. Dalen, & G. Saunders | J. Phycol. | 44: 1569 | 2008 |