Suborder:
|
Goniatitina
|
Superfamily:
|
Dimorphoceratoidea
|
Family:
|
Dimorphoceratidae
|
Genus:
|
Dimorphoceras?
|
Species:
|
carina |
Qualifier:
|
sn |
Author:
|
Phillips 1836,p.237
|
Valid:
|
not recognizable |
Lower Boundary:
|
Up.Visean Goniatites BZ base [up.VIS], 333.5 million years
|
Upper Boundary:
|
DER Go alpha 3--Go alpha 4 [13.00], 332 million years
|