Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Anthracoceratidae
|
Genus:
|
Anthracoceratites |
Qualifier:
|
ge |
Author:
|
Ramsbottom 1970,p.57
|
Lower Boundary:
|
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
Upper Boundary:
|
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|