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Peremistocrinus from the Dewey Limestone Formation, Oklahoma


, : Peremistocrinus from the Dewey Limestone Formation, Oklahoma. Geol Mag 85(2): 113-116

Of 58 specimens of this Pennsylvanian crinoid, only 22 retain the primitive anal plate pattern, the others showing modifications toward separation of the anal plates from the basals. Most of the specimens are of P. impressus.

US$19.90

DOI: 10.1017/s0016756800072885


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