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Planalvus (Brachiopoda, Athyridida) from the Lower Devonian of the Armorican Massif, northwest France

Published online by Cambridge University Press:  20 May 2016

Patrick R. Racheboeuf ,
Paul Copper  and
Fernando Alvarez
Patrick R. Racheboeuf
Affiliation:
Université Claude Bernard-Lyon I, URA11 CNRS, 69622 Villeurbanne, France
Paul Copper
Affiliation:
Laurentian University, Sudbury, Ontario, Canada P3E 2C6
Fernando Alvarez
Affiliation:
Universidad de Oviedo, 33005, Spain
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Abstract

Cryptonella? cailliaudi Barrois, 1889, from the Lower Devonian of the Armorican Massif, is tentatively assigned to the athyridid brachiopod genus Planalvus Carter, thus far known only from the Lower Carboniferous of eastern North America. In addition, a new species, Planalvus rufus, is described from the Bois-Roux Formation (Pragian) of Brittany, France. These French species are small brachiopods with complex spiralial and jugal structures, which permit assignment to the order Athyridida.

Type
Research Article
Information
Journal of Paleontology , Volume 68 , Issue 3 , May 1994 , pp. 451 - 460
Copyright
Copyright © The Paleontological Society 

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