| Citation | Campbell, A. and N. Bourne, 2000 Population biology of gaper (horse) clams, Tresus capax and T. nuttallii, in southern British Columbia, Canada. Journal of Shellfish Research 19(2):933-942. |
| Ref. | 126878 Campbell, A. and N. Bourne, 2000 |
| Page | |
| Named Used as Valid | Tresus nuttallii |
| Locality | |
| Distribution | Canada. |