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Middle Eocene terebratulide brachiopods from the Bateque Formation, Baja California Sur, Mexico

Published online by Cambridge University Press:  14 July 2015

Michael R. Sandy ,
Richard L. Squires  and
Robert Demetrion
Michael R. Sandy
Affiliation:
Department of Geology, University of Dayton, Dayton, Ohio 45469-2364
Richard L. Squires
Affiliation:
Department of Geological Sciences, California State University, Northridge 91330
Robert Demetrion
Affiliation:
Holmes International Middle School, 9351 Paso Robles Ave., Northridge, California 91325
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Abstract

Two species of terebratulide brachiopods are described from the upper part of the Bateque Formation (middle Eocene) on the Pacific coast of Baja California Sur, Mexico, Terebratulina cf. Terebratulina louisianae Stenzel, 1940, and Terebratalia batequia n. sp. Terebratalia batequia n. sp. is the earliest confirmed record of the genus Terebratalia Beecher, 1893, which has been an important component of Pacific brachiopod faunas through to the present day. The occurrence of Terebratulina cf. Terebratulina louisianae Stenzel is one of the earliest records of the genus from the west coast of North America. These brachiopods, like other elements of the Bateque invertebrate fauna, may record Eocene migration from the Atlantic to Pacific Ocean via the Central American seaway.

Type
Research Article
Information
Journal of Paleontology , Volume 69 , Issue 1 , January 1995 , pp. 45 - 51
Copyright
Copyright © The Paleontological Society 

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