| Gymnogongrus durvillei (Bory) M.S. Calderon & S.M. Boo, 2017 |
| Gymnogongrus griffithsiae (Turner) H. Mart., 1833 |
| Gymnogongrus guadalupensis E.Y. Dawson, 1961 |
| Gymnogongrus hancockii E.Y. Dawson, 1944 |
| Gymnogongrus johnstonii (Setch. & N.L. Gardner) E.Y. Dawson, 1954 |
| Gymnogongrus leptophyllus J. Agardh, 1876 |
| Gymnogongrus linearis (C. Agardh) J. Agardh, 1851 |
| Gymnogongrus martinensis Setch. & N.L. Gardner, 1937 |
| Gymnogongrus platyphyllus N.L. Gardner, 1927 |
| Gymnogongrus serenei E.Y. Dawson, 1954 |
| Gymnogongrus sinicola E.Y. Dawson, 1944 |
| Gymnogongrus tenuis J. Agardh, 1849 |
| Mastocarpus Kütz., 1843 |
| Mastocarpus agardhii (Setchell & N.L. Gardner) S.C. Lindstrom, Hughey & Martone, 2011 |
| Mastocarpus cristatus (Setchell) S.C. Lindstrom, Hughey & Martone, 2011 |
| Mastocarpus intermedius S.C. Lindstr., J.R. Hughey & P.T. Martone, 2011 |
| Mastocarpus papillatus (C. Agardh) Kütz., 1843 |
| Mastocarpus spinosus Kütz., 1847 |
| Microgongrus J. Agardh, 1901 |
| Ozophora J. Agardh, 1892 |