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A new species of the clypeasteroid echinoid Astrodapsis from the Miocene Isidro Formation, Baja California Sur, Mexico

Published online by Cambridge University Press:  20 May 2016

Richard L. Squires  and
Robert A. Demetrion
Richard L. Squires
Affiliation:
Department of Geological Sciences, California State University, Northridge 91330
Robert A. Demetrion
Affiliation:
8839 Katherine Avenue, Panorama City, California 91402
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Abstract

The clypeasteroid echinoid Astrodapsis bajasurensis n. sp. is described from upper middle Miocene beds of the Isidro Formation near the mouth of Arroyo Mezquital on the Pacific coast of north-central Baja California Sur, Mexico. The new species is the first occurrence of Astrodapsis outside of California and extends the southern limit of the genus by 1,100 km.

Type
Research Article
Information
Journal of Paleontology , Volume 67 , Issue 2 , March 1993 , pp. 258 - 263
Copyright
Copyright © The Paleontological Society 

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