| Citation | Osorio, C. and V. Cantuarias, 1989 Vertical distribution of mollusks on the rocky intertidal of Easter Island. Pacific Science 3(4):302-315. |
| ссылка | 94138 Osorio, C. and V. Cantuarias, 1989 |
| Page | 305 |
| Named Used as Valid | Williamia polynesica |
| Местонахождение | |
| Distribution | Easter Island. |