Suborder:
|
Goniatitina
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Superfamily:
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Dimorphoceratoidea
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Family:
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Eogonioloboceratidae
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Genus:
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Eogonioloboceras
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Species:
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asiaticum+ |
Qualifier:
|
ss |
Author:
|
Librovitch 1940,p.177
|
Lower Boundary:
|
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
Upper Boundary:
|
DER Go beta striatus--Go beta falcatus, 329.4 million years
|