Simpson group (middle ordovician) trilobites of Oklahoma:
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Bibliographic Details
Main Author: Shaw, Frederick C. (Author)
Format: Book
Language:English
Published: Tulsa, Okla. 1974
Series:Paleontological Society: Memoir 6
Subjects:
Physical Description:54 S. Ill.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!