| Citation | Cairns, S.D., 1991 A revision of the ahermatypic Scleractinia of the Galápagos and Cocos Islands. Smithsonian Contributions to Zoology 514:1-59. |
| Ref. | 2370 Cairns, S.D., 1991 |
| Page | 16 |
| Named Used as Valid | Polycyathus isabela |
| Locality | |
| Distribution | Galapagos. |