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Perryella, a new temnospondylous amphibian from the Lower Permian of Oklahoma

Published online by Cambridge University Press:  14 July 2015

Keith J. Carlson
Keith J. Carlson*
Affiliation:
Gustavus Adolphus College, St. Peter, Minnesota 56082
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Abstract

Perryella olsoni, a new temnospondylous amphibian from the lower Permian Wellington Formation of northern Oklahoma, is described. Features of the palatine, quadratojugal, and stapes are distinctive among described temnospondyls. The specimens share derived character states with the Dissorophoidea and Trimerorhachoidea, but cannot be assigned to either of these superfamilies as presently defined. The difficulties of temnospondyl classification in light of the confusion of primitive, juvenile, and paedomorphic features are discussed.

Type
Research Article
Information
Journal of Paleontology , Volume 61 , Issue 1 , January 1987 , pp. 135 - 147
Copyright
Copyright © The Paleontological Society 

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