FOSSIL LEMMISCUS CURTATUS (RODENTIA, ARVICOLINAE) FROM HAGERMAN FOSSIL BEDS NATIONAL MONUMENT, IDAHO

Dennis R. Ruez; Philip A. Gensler

doi:10.1898/1051-1733(2006)87[240:FLCRAF]2.0.CO;2

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Dennis R. Ruez,^1,* Philip A. Gensler²

¹aDepartment of Geological Sciences, Jackson School of Geosciences, University of Texas, Austin, Texa
²bHagerman Fossil Beds National Monument, 221 North State Street, PO Box 570, Hagerman, Idaho 83332

^* Present address: Department of Geology and Geography, 210 Petrie Hall, Auburn University, Auburn, Alabama 36849-5305; ruezden@auburn.edu.

Abstract

We describe molars that represent the 1st fossils of Lemmiscus curtatus from Hagerman Fossil Beds National Monument (HAFO), Idaho. This species figures prominently in the biochronology of North American terrestrial deposits, so the possible ages of these records are discussed in detail. Most fossils from HAFO are from the middle Blancan (middle Pliocene), but these molars are likely from the Pleistocene or Holocene epoch, which is consistent with the temporal distribution of L. curtatus elsewhere.

Citation Download Citation

Dennis R. Ruez and Philip A. Gensler "FOSSIL LEMMISCUS CURTATUS (RODENTIA, ARVICOLINAE) FROM HAGERMAN FOSSIL BEDS NATIONAL MONUMENT, IDAHO," Northwestern Naturalist 87(3), 240-245, (1 December 2006). https://doi.org/10.1898/1051-1733(2006)87[240:FLCRAF]2.0.CO;2

Received: 5 July 2005; Accepted: 25 July 2006; Published: 1 December 2006

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