Described from the Wymps Gap Member of the Mauch Chunk Formation of southwestern Pennsylvania and adjacent Maryland is a new species, Phyricodothyris lauriegrahamae, of the Upper Mississippian reticulariod brachiopod Phyricodothyris George, 1932. The Wymps Gap Limestone from which the type material was collected is middle Chesterian (late Viséan) in age. This is the first report of this genus from confirmed Mississippian rocks in North America.
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1 October 2008
Earliest Report Of the Genus Phyricodothyris George (Brachiopoda: Reticularioidea) In North America
John L. Carter,
Albert D. Kollar,
David K. Brezinski
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Appalachians
Chesterian
Mississippian
Phyricodothyris
Viséan