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Palliseria (Middle Ordovician Gastropoda) from east-central Alaska and its stratigraphic and biogeographic significance

Published online by Cambridge University Press:  20 May 2016

David M. Rohr  and
Robert B. Blodgett
David M. Rohr
Affiliation:
Department of Geology, Sul Ross State University, Alpine, Texas 79832
Robert B. Blodgett
Affiliation:
Branch of Paleontology and Stratigraphy, U.S. Geological Survey, Reston, Virginia 22092
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Extract

Several unsilicified gastropod specimens were collected by John B. Mertie, Jr., on July 13, 1941, during a boat traverse along the Porcupine River of east-central Alaska. The specimens were originally deposited in the Ulrich (Cambrian and Ordovician) stratigraphic collections of the U.S. Geological Survey at the National Museum of Natural History, Washington, D.C. The collection contains one specimen of Palliseria and three specimens of Maclurites, all of which are broken from the limestone. Despite the lack of much of the shell material, they are easily identified as to genus. One specimen identified as Palliseria is particularly significant.

Type
Paleontological Notes
Information
Journal of Paleontology , Volume 68 , Issue 3 , May 1994 , pp. 674 - 675
Copyright
Copyright © The Paleontological Society 

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