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Rousseauspira: new gastropod operculum from the Ordovician of Alaska and California

Published online by Cambridge University Press:  14 July 2015

David M. Rohr  and
A. W. Potter
David M. Rohr
Affiliation:
Department of Geology, Sul Ross State University, Alpine, Texas 79832
A. W. Potter
Affiliation:
Department of Geology, Oregon State University, Corvallis 97331
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Abstract

Rousseauspira teicherti, a new genus and species of an unusual, untwisted, horn-shaped gastropod operculum from shallow-subtidal limestones of the Upper Ordovician of Alaska and the Middle Ordovician of California, is described and compared to two other Ordovician opercula, Ceratopea Ulrich, 1911, and Teiichispira Yochelson and Jones, 1968. The shell to which the operculum belonged is not yet known.

Type
Research Article
Information
Journal of Paleontology , Volume 61 , Issue 2 , March 1987 , pp. 284 - 289
Copyright
Copyright © The Paleontological Society 

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References

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