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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Sulcodimorphoceras
|
Species:
|
sedraense+ |
Qualifier:
|
ss |
Author:
|
Manger & Pareyn 1979,p.663
|
Lower Boundary:
|
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
Upper Boundary:
|
Pendleian--Arnsbergian [PND--ARN], 324 million years
|