| Citation | Pacific Northwest Shell Club, 2014 Pacific Northwest marine molluscan biodiversity. Pacific Northwest Shell Club, www.PNWCS.org. http://www.bily.com/pnwsc/web-content/Northwest%20Marine%20Molluscan%20Biodiversity.html [Accessed 06/02/2014]. |
| Ref. | 94906 Pacific Northwest Shell Club, 2014 |
| Page | |
| Named Used as Valid | Opalia borealis |
| Locality | |
| Distribution | Strait of Juan de Fuca. |