| Citation | Colin, P.L. and C. Arneson, 1995 Tropical Pacific invertebrates: A field guide to the marine invertebrates occurring on tropical Pacific coral reefs, seagrass beds and mangroves. The Coral Reef Research Foundation. Coral Reef Press. 304 pp. |
| Ref. | 864 Colin, P.L. and C. Arneson, 1995 |
| Page | 114 |
| Named Used as Valid | Hydnophora rigida |
| Locality | |
| Distribution | Palau. |