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Occurrence of the rare genus Anapteris (Bivalvia: Corbulidae) in the Eocene of California

Published online by Cambridge University Press:  20 May 2016

Charles R. Givens
Charles R. Givens*
Affiliation:
Earth Science Department, Nicholls State University, Thibodaux, Louisiana 70310
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Extract

Anapteris van winkle (1919) is a distinctive corbulid genus characterized by the left valve having a peculiar wing-like flare anteriorly and both valves having the posterior area set off by a prominent umbonal keel (Vokes, 1945; Keen, 1969). Heretofore this genus has been known only from the type species, A. regalis Van Winkle (1919; 1921), which has been recorded only from the upper middle Eocene (Bartonian) Piney Point Formation in Virginia (Ward, 1985). The purpose of this note is to record the second known occurrence of Anapteris. The genus is present in the lower middle Eocene of southern California, where it is represented by Corbula wardii Hanna (1927).

Type
Paleontological Notes
Information
Journal of Paleontology , Volume 68 , Issue 1 , January 1994 , pp. 168 - 171
Copyright
Copyright © The Paleontological Society 

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