| Erythrocystis J. Agardh, 1876 |
| Erythrocystis montagnei (Derbès & Solier) P.C. Silva, 1952 |
| Erythrocystis saccata (J. Agardh) P.C. Silva, 1952 |
| Eutrichosiphonia Savoie & G.W. Saunders, 2019 |
| Eutrichosiphonia confusa (Hollenberg) Savoie & G. W. Saunders, 2019 |
| Herposiphonia Nägeli, 1846 |
| Herposiphonia bipinnata M. Howe, 1920 |
| Herposiphonia hollenbergii E.Y. Dawson, 1963 |
| Herposiphonia littoralis Hollenberg, 1970 |
| Herposiphonia parca Setch., 1926 |
| Herposiphonia pecten-veneris (Harv.) Falkenb., 1901 |
| Herposiphonia pecten-veneris var. laxa W.R. Taylor, 1960 |
| Herposiphonia pecten-veneris var. pecten-veneris (Harvey) Falkenberg, 1901 |
| Herposiphonia plumula (J. Agardh) Falkenb., 1901 |
| Herposiphonia plumula var. parva (Hollenberg) Hollenberg, 1970 |
| Herposiphonia rigida N.L. Gardner, 1927 |
| Herposiphonia rigida var. laxa Setch. & N.L. Gardner & N.L. Gardner, 1930 |
| Herposiphonia secunda (C. Agardh) Ambronn, 1880 |
| Herposiphonia secunda f. secunda (C. Agardh) Ambronn, 1880 |
| Herposiphonia secunda f. tenella (C. Agardh) Wynne, 1985 |