Variacion intraespecifica en Parathyridina mexicana n. sp. Terebratulido del Oxfordiano de Mexico.

Bibliographic Details
Main Author:	Ochoterena F., Héctor
Format:	Book
Language:	Spanish
Published:	Mexico, [publisher not identified] ; 1960.
Series:	Paleontología mexicana ; no. 9.
Subjects:	Brachiopoda, Fossil. Mollusks, Fossil > Mexico. Paleontology > Mexico > Oaxaca (State)

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