Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Anthracoceratidae
|
Genus:
|
Anthracoceras
|
Species:
|
cambriense |
Qualifier:
|
ss |
Author:
|
Bisat 1930,p.78
|
Lower Boundary:
|
Duckmantian--Bolsovian, Westphal.B--C, 310.6 million years
|
Upper Boundary:
|
Bolsovian--Westphalian D,Westphal.C--D, 309.5 million years
|