McLearn, F.H. (1926). New species from the Coloradoan of Lower Smokey and Lower Peace Rivers, Alberta. Contributions To Canadian Paleontology; Geological Survey of Canada, Museum Bulletin. 42: 117-126.
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McLearn, F.H.
1926
New species from the Coloradoan of Lower Smokey and Lower Peace Rivers, Alberta
Contributions To Canadian Paleontology; Geological Survey of Canada, Museum Bulletin