Suborder:
|
Goniatitina
|
Superfamily:
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Neoglyphioceratoidea
|
Family:
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Cravenoceratidae
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Subfamily:
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Nuculoceratinae
|
Genus:
|
Nuculoceras?
|
Species:
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agaiae |
Qualifier:
|
ss |
Author:
|
Delépine 1941,p.81
|
Lower Boundary:
|
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|
Upper Boundary:
|
Bolsovian--Westphalian D,Westphal.C--D, 309.5 million years
|