Suborder:
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Goniatitina
|
Superfamily:
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Schistoceratoidea
|
Family:
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Schistoceratidae
|
Genus:
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Paraschistoceras
|
Species:
|
sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
UOH Conemaugh Fm. base, 305 million years
|
Upper Boundary:
|
UOH Conemaugh Fm. top, 299 million years
|