Suborder:
|
Tornoceratina
|
Superfamily:
|
Prionoceratoidea
|
Family:
|
Prionoceratidae
|
Subfamily:
|
Prionoceratinae
|
Genus:
|
Cunitoceras |
Qualifier:
|
ge |
Author:
|
Weyer 1972,p.339
|
Lower Boundary:
|
UMO Northwiew Shale base, 353 million years
|
Upper Boundary:
|
DER Erdbacher Kalk top [08,90], 345.3 million years
|