n = 7
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hydnophora bonsai | Veron, 1990 | Hydnophora bonsai | Merulinidae | |
| Hydnophora exesa | (Pallas, 1766) | Hydnophora exesa | Merulinidae | |
| Hydnophora grandis | Gardiner, 1904 | Hydnophora grandis | Merulinidae | |
| Hydnophora microconos | (Lamarck, 1816) | Hydnophora microconos | Merulinidae | Small-coned coral |
| Hydnophora pilosa | Veron, 1985 | Hydnophora pilosa | Merulinidae | |
| Hydnophora rigida | (Dana, 1846) | Hydnophora rigida | Merulinidae | Spine coral |
| Hydnophora breviconus | Nemenzo, 1971 | Hydnophora rigida | Merulinidae | Spine coral |