Tertiary mammals of Saskatchewan Part V The Oligocene entelodonts Oligocene entelodonts Russell, Loris S. (Loris Shano), 1904-1998 creator Royal Ontario Museum. contributor text multivolume monograph Toronto Royal Ontario Museum 1980 1980
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ENG Artiodactyla, Fossil Oligocene Paleontology Saskatchewan QE882.U3R88 Life sciences contributions, no. 122 0384-8159 https://www.biodiversitylibrary.org/bibliography/52059 0888542542 428430097 10.5962/bhl.title.52059 NLC CIP