Russell, L. S. (1937). New non-marine Mollusca from the Upper Cretaceous of Alberta. Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences. 31: 61-67, 143.
290942
Russell, L. S.
1937
New non-marine Mollusca from the Upper Cretaceous of Alberta
Transactions of the Royal Society of Canada, third series. Section IV - Geological Sciences