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Ordovician (Whiterockian) gastropods of Nevada, Part 2

Published online by Cambridge University Press:  20 May 2016

David M. Rohr*
Affiliation:
Department of Geology, Sul Ross State University, Alpine, Texas 79832

Abstract

Additional Whiterockian gastropods are described from the Antelope Valley Formation of Nevada. A new genus with affinities to Oriostoma is described as well as the new species Clathrospira glindmeyeri, Trochonemella antelopensis, and Raphispira martinensis. The lower ranges of Clathrospira Ulrich in Ulrich and Scofield and Trochonemella Okulitch, the species Liospira americana Billings and Raphistomina lapicida (Salter) are extended to the Whiterockian. The ranges of Raphispira Perner and the family Oriostomatidae Wenz are tentatively extended downward to the Whiterockian.

Type
Research Article
Copyright
Copyright © The Paleontological Society 

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