Trilobites of the Upper Cambrian Ptychaspic biomere : Wilberns formation, Central Texas /

Bibliographic Details
Main Author: Longacre, Susan Ann
Format: Book
Language:English
Published: Austin : Bureau of Economic Geology, University of Texas at Austin, 1970.
Series:Report of investigations (University of Texas at Austin. Bureau of Economic Geology) ; no. 66.
Subjects:

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