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RESULTS FOR Pseudhipparion retrusum
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Series: Contributions to Geology Special Paper 3, Contributions to Geology Special Paper 3
Publisher: University of Wyoming
Published: 01 January 1986
... Abstract The seven species of Pseudhipparion are, from oldest to youngest, as follows: unnamed species; P. retrusum; P. curtivallum , new combination; P. hessei , new species; P. gratum; P. skinneri , new species; and P. simpsoni , new species. They range from late Barstovian through...