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Geniculigypa, a new gypidulid (Brachiopoda) genus from the Middle Devonian of Michigan

Published online by Cambridge University Press:  14 July 2015

Robert B. Blodgett  and
A. J. Boucot
Robert B. Blodgett
Affiliation:
Department of Zoology, Oregon State University, Corvallis 97331
A. J. Boucot
Affiliation:
Department of Zoology, Oregon State University, Corvallis 97331
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Abstract

A new genus, Geniculigypa, and a new subfamily, the Geniculigypinae, are established. Both taxa are monotypic and have as their type species, Sieberella newtonensis Imbrie, 1959, from the Newton Creek Limestone (early Givetian) of Michigan. This species dramatically differs from all other known gypiduloid species in its possession of a prominent geniculation in both valves and by its radially grooved micro-ornament.

Type
Research Article
Information
Journal of Paleontology , Volume 72 , Issue 3 , May 1998 , pp. 454 - 457
Copyright
Copyright © The Paleontological Society 

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References

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