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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

Cooper, G. A., Butts, C., Caster, K. E., Chadwick, G. H., Goldring, W., Kindle, E. M., Kirk, E., Merriam, C. W., Swartz, F. M., Warren, P. S., Warthin, A. S., and Willard, B. 1942. Correlation of the Devonian sedimentary formations of North America. Bulletin of the Geological Society of America, 53:1729–1794.CrossRefGoogle Scholar
Cooper, G. A., and Warthin, A. S. 1941. New Middle Devonian stratigraphic names. Journal of the Washington Academy of Sciences. 31:259–260.Google Scholar
Ehlers, G. M., and Kesling, R. V. 1970. Devonian strata of Alpena and Presque Isle Counties, Michigan. Michigan Basin Geological Society Guide Book for Field Trips, 130 p.Google Scholar
Foerste, A. F. 1927. Devonian cephalopods from Alpena in Michigan. Contributions from the Museum of Geology, University of Michigan, 2:189–208.Google Scholar
Foerste, A. F. 1930. The color patterns of fossil cephalopods and brachiopods, with notes on gastropods and pelecypods. Contributions from the Museum of Paleontology, University of Michigan, 3:109–149.Google Scholar
Grant, R. E. 1965. The brachiopod superfamily Stenocismatacea. Smithsonian Miscellaneous Collections, 148(2), 192 p.Google Scholar
Imbrie, J. 1959. Brachiopods of the Traverse Group (Devonian) of Michigan. Part 1. Dalmanellacea, Pentameracea, Strophomenacea, Orthotetacea, Chonetacea, and Productacea. Bulletin of the American Museum of Natural History, 116:345–410.Google Scholar
Schuchert, C., and Cooper, G. A. 1931. Synopsis of the brachiopod genera of the suborders Orthoidea and Pentameroidea, with notes on the Telotremata. American Journal of Science, Fifth Series, 22:241–251.Google Scholar
Schuchert, C. and Levene, C. M. 1929. Brachiopoda (Generum et genotyporum index et bibliographia). Fossilium Catalogus, 1, Animalia, Pars 42, 140 p., Junk (Berlin).Google Scholar
Torley, K. 1934. Die Brachiopoden des Massenkalkes der Oberen Givet-Stufe von Bilveringsen bei Iserlohn. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft, 43:67–148.Google Scholar