Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Anthracoceratidae
|
Genus:
|
Anthracoceratites
|
Species:
|
arcuatilobus |
Qualifier:
|
ss |
Author:
|
Ludwig 1863,p.285
|
Lower Boundary:
|
Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
|
Upper Boundary:
|
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|