Suborder:
|
Goniatitina
|
Superfamily:
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Dimorphoceratoidea
|
Family:
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Dimorphoceratidae
|
Subfamily:
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Glyphiolobinae
|
Genus:
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Metadimorphoceras
|
Species:
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sp. |
Qualifier:
|
in |
Author:
|
div. authors
|
Lower Boundary:
|
DER Go beta--gamma, granos.base [P1--P2], 328.2 million years
|
Upper Boundary:
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Pendleian--Arnsbergian [PND--ARN], 324 million years
|