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Observations on Proscalops tertius (Mammalia: Insectivora) of the Upper Oligocene of South Dakota

Philip R. Bjork
Journal of Paleontology
Vol. 49, No. 5 (Sep., 1975), pp. 808-813
Stable URL: http://www.jstor.org/stable/1303274
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Observations on Proscalops tertius (Mammalia: Insectivora) of the Upper Oligocene of South Dakota
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Abstract

Recent collecting in the upper part of the Brule Formation (Upper Oligocene) in the Badlands National Monument has produced a large sample of the mole, Proscalops tertius Reed. The dental formula of P. tertius is tentatively I 1, 2, 3/1?, 2, 3, C 1/1?, P 2, 3, 4/1?, 2, 3, 4, M 1, 2, 3/1, 2, 3. The first upper incisor and lower antemolar dentition are described for the first time. The holotype of P. tertius was probably collected from the uppermost Brule Formation.

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