Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Anthracoceratidae
|
Genus:
|
Anthracoceras |
Qualifier:
|
ge |
Author:
|
Frech 1899,p.285
|
Lower Boundary:
|
Visean--Namurian/Serpukhovian [VIS--NAM], 326.4 million years
|
Upper Boundary:
|
UMO Cherokee Shale top, 307.4 million years
|