Peratherium sp. cf. P. innominatum, a species with an early Wasatchian to Duchesnean range, is present in the Turtle Basin Local Fauna. Two new genera and species of rodents are described: Cristadjidaumo mckennai (Eomyidae) and Passaliscomys priscus (Heliscomyidae). The remainder of the rodent fauna consists of species that are similar to Duchesnean faunas from both the northern Great Plains (Saskatchewan) and from southern California. The probable occurrence of Simimys and Griphomys suggests a slightly greater similarity to the fauna of southern California.
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Bulletin of Carnegie Museum of Natural History
Vol. 2004 • No. 36
December 2004
Vol. 2004 • No. 36
December 2004