Suborder:
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Goniatitina
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Superfamily:
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Gastrioceratoidea
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Family:
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Glaphyritidae
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Subfamily:
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Fayettevilleinae
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Genus:
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Pseudofayettevillea
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Species:
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gordoni+ |
Qualifier:
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ss |
Author:
|
Meeks & Manger 1999,p.147
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Lower Boundary:
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GBY E1b -- E1c; DER E1 alpha -- E1 beta, 325 million years
|
Upper Boundary:
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UAR upper Fayetteville--lower Pitkin, 324.3 million years
|