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Occurrence of a cephalopod aptychus in the Ames Limestone (Virgilian) of western Pennsylvania

Published online by Cambridge University Press:  19 May 2016

John A. Harper
John A. Harper*
Affiliation:
Pennsylvania Geological Survey, 121 South Highland Avenue, Pittsburgh 15206
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Abstract

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Type
Paleontological Notes
Information
Journal of Paleontology , Volume 63 , Issue 1 , January 1989 , pp. 119 - 121
Copyright
Copyright © The Paleontological Society 

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References

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Holland, B., Stridsberg, S., and Bergstrom, J. 1978. Confirmation of the reconstruction of Aptychopsis. Lethaia, 11:144.Google Scholar
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