| Citation | McPhail, J.D. and R. Carveth, 1993, Field key to the freshwater fishes of British Columbia.. Fish Museum, Department of Zoology, U.B.C., Canada, 239 p. |
| Ref. | 10882 McPhail, J.D. and R. Carveth, 1993 |
| Page | 30,66,91,169 |
| Named Used as Valid | Ptychocheilus oregonensis |
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