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A new Lampadosocrinus from the Upper Carboniferous of Oklahoma, U.S.A.

Published online by Cambridge University Press:  01 May 2009

H. L. Strimple
H. L. Strimple
Affiliation:
Department of GeologyThe University of IowaIowa City, Iowa, U.S.A.
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Summary

The rare cladid inadunate crinoid genus Lampadosocrinus is presently known from 2 species, L. minutus (Peck) and L. obtusus Strimple and Koenig, of lower and middle Mississippian age (Tournaisian, Lower Carboniferous). Lampadosocrinus frustulum sp.nov. is described from the Lower Pennsylvanian (Namurian B or C. Upper Carboniferous) of Oklahoma, U.S.A. Some difficulties encountered in orientation of the theca of microcrinoids presently classified as cladid inadunates are discussed.

Type
Articles
Information
Geological Magazine , Volume 116 , Issue 1 , January 1979 , pp. 45 - 48
Copyright
Copyright © Cambridge University Press 1979

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References

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