On the Occurrence of Oklahomacrinus in Ohio and Timor
Creators:Burke, J. J.
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Citation:The Ohio Journal of Science. v66 n5 (September, 1966), 464-468
Previously, the inadunate crinoid genus Oklahomacrinus has been reported from the Middle and Upper Pennsylvanian and Lower Permian of the midcontinent region of North America. With the discovery of a new species, described as Oklahomacrinus ohioensis, in the Ames Limestone, Conemaugh Group, Upper Pennsylvanian, near Quaker City, Ohio, the geographic range of the genus is now expanded to the Appalachian region. The generic affinity with Oklahomacrinus of a species from the Basleo Beds of the island of Timor has long been overlooked; the species, attributed to Delocrinus by Wanner in 1916, is here designated as Oklahomacrinus expansus (Wanner). With the recognition of the Timor form as a representative of Oklahomacrinus, the geographic range of the genus is extended to Asia, and the chronologic range to the Middle Permian (Artinskian).
Author Institution: Ohio Division of Geological Survey, Columbus, Ohio
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