Suborder:
|
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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Mangeroceras
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Species:
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canfieldense+ |
Qualifier:
|
ss |
Author:
|
Sturgeon et al. 1982,p.1475
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Lower Boundary:
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U Atokan--Desmoinesian [ATO--DES], 308.6 million years
|
Upper Boundary:
|
U Desmoinesian--Missourian [DES--MIS], 306.5 million years
|