| Citation | Rehder, H.A., 1980 The marine mollusks of Easter Island (Isla de Pascua) and Sala y Gómez. Smithsonian Contributions to Zoology 289:1-167. |
| Ref. | 87884 Rehder, H.A., 1980 |
| Page | 98 |
| Named Used as Valid | Williamia polynesica |
| Locality | |
| Distribution | Hawaii and Easter Island. |