| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Hydropuntia cornea (J. Agardh) M.J. Wynne |
Western Central Atlantic | ||
| Hydropuntia crassissima (P.L. Crouan & H.M. Crouan) M.J. Wynne |
Western Central Atlantic | ||
| Hydropuntia edulis (S.G. Gmelin) Gurgel & Fredericq |
Dichotomously branched gracilaria | Indian Ocean | |
| Hydropuntia eucheumatoides (Harvey) Gurgel & Fredericq |
Western Central Pacific |