Suborder:
|
Goniatitina
|
Superfamily:
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Gonioloboceratoidea
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Family:
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Gonioloboceratidae
|
Genus:
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Gonioloboceratoides |
Qualifier:
|
ge |
Author:
|
Nassichuk 1975,p.74
|
Lower Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
Upper Boundary:
|
UMO Cherokee Shale top, 307.4 million years
|