Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Anthracoceratidae
|
Genus:
|
Paradimorphoceras |
Qualifier:
|
ge |
Author:
|
Ruzhencev 1947,p.522
|
Lower Boundary:
|
Alportian--Kinderscoutian [ALP--KIN], 317 million years
|
Upper Boundary:
|
Kinderscoutian--Marsdenian [KIN--MRD], 315 million years
|