Suborder:
|
Goniatitina
|
Superfamily:
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Dimorphoceratoidea
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Family:
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Dimorphoceratidae
|
Subfamily:
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Glyphiolobinae
|
Genus:
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Metadimorphoceras
|
Species:
|
complex |
Qualifier:
|
ss |
Author:
|
Moore 1939,p.116
|
Lower Boundary:
|
DER lowest E1--E1 alpha, 326 million years
|
Upper Boundary:
|
GBY E1b -- E1c; DER E1 alpha -- E1 beta, 325 million years
|