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TaxNo: 6654Pennoceras sp.nov.1; sp.nov.2
Suborder: Goniatitina
Superfamily: Gonioloboceratoidea
Family: Wiedeyoceratidae
Genus: Pennoceras
Species: sp.nov.1; sp.nov.2
Qualifier: sy
Author: Boardman et al. 1994,p.62
Valid: Pennoceras heckeli,TAX6653, P. bennisoni,TAX6654
Lower Boundary: UOK Coffeyville Fm. base, 306.2 million years
Upper Boundary: UOK Coffeyville Fm. top, 305.9 million years