| Citation | Best, M.B. and Suharsono, 1991 New observations on scleractinian corals from Indonesia: 3. species belonging to the Merulinidae with new records of Merulina and Boninastrea. Zoologische Mededelingen 65:333-342. |
| Ref. | 83521 Best, M.B. and Suharsono, 1991 |
| Page | 336 |
| Named Used as Valid | Hydnophora rigida |
| Locality | |
| Distribution | eastern Indonesia. |