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Some new Paleozoic gastropod opercula (Pennsylvanian: Texas)

Published online by Cambridge University Press:  19 May 2016

R. M. Linsley ,
R. H. Mapes ,
Wang Hui-Ji  and
E. L. Yochelson
R. M. Linsley
Affiliation:
1Colgate University, Hamilton, New York
R. H. Mapes
Affiliation:
2Ohio University, Athens 45701
Wang Hui-Ji
Affiliation:
3Shanghai Museum of Natural History, Shanghai, People's Republic of China
E. L. Yochelson
Affiliation:
4National Museum of Natural History, Washington, D.C. 20560
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Abstract

Small gastropod opercula have been found at one locality each in the Desmoinesian and Virgilian of north-central Texas. Because of their general shape and concentric growth, these opercula are placed within the Neritacea. One form probably is the operculum of Trachydomia. Four other forms, two of which are morphologically quite similar but from different ages, probably belong with Naticopsis sensu lato.

Type
Research Article
Information
Journal of Paleontology , Volume 63 , Issue 2 , March 1989 , pp. 206 - 211
Copyright
Copyright © The Paleontological Society 

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