Suborder:
|
Goniatitina
|
Superfamily:
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Neodimorphoceratoidea
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Family:
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Neodimorphoceratidae
|
Genus:
|
Neodimorphoceras
|
Species:
|
giganteum |
Qualifier:
|
sn |
Author:
|
Yang 1978,p.160
|
Lower Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|
Upper Boundary:
|
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|