Russell, L.S. (1974). Fauna and Correlation of the Ravenscrag Formation (Paleocene) of Southwestern Saskatchewan. Royal Ontario Museum and University of Toronto, Life Sciences, Contributions. 102: 1-53.
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Russell, L.S.
1974
Fauna and Correlation of the Ravenscrag Formation (Paleocene) of Southwestern Saskatchewan
Royal Ontario Museum and University of Toronto, Life Sciences, Contributions