|
Suborder:
|
Goniatitina
|
|
Superfamily:
|
Neodimorphoceratoidea
|
|
Family:
|
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
|