| Referens | Harbo, R.M., 1997 Shells and shellfish of the Pacific Northwest, a field guide. Harbour Publishing, Canada, 270p. |
| Ref. | 95344 Harbo, R.M., 1997 |
| Sida | 33 |
| Named Used as Valid | Mactromeris polynyma |
| Observationsplats | |
| Distribution | Northeast Pacific. |