Suborder:
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Goniatitina
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Superfamily:
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Gonioloboceratoidea
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Family:
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Wiedeyoceratidae
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Genus:
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Pennoceras
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Species:
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sp.nov. |
Qualifier:
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of |
Author:
|
Boardman et al. 1994,p.62
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Lower Boundary:
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U Desmoinesian--Missourian [DES--MIS], 306.5 million years
|
Upper Boundary:
|
UOK Coffeyville Fm. top, 305.9 million years
|