Suborder:
|
Tornoceratina
|
Superfamily:
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Praeglyphioceratoidea
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Family:
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Sporadoceratidae
|
Genus:
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Iranoceras
|
Species:
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pachydiscus |
Qualifier:
|
ss |
Author:
|
Walliser 1966,p.16
|
Lower Boundary:
|
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
Upper Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|