Suborder:
|
Goniatitina
|
Superfamily:
|
Neoglyphioceratoidea
|
Family:
|
Cravenoceratidae
|
Subfamily:
|
Cravenoceratinae
|
Genus:
|
Caenolyroceras
|
Species:
|
chalicum |
Qualifier:
|
ss |
Author:
|
Korn 1988,p.149
|
Lower Boundary:
|
DER liethensis--chalicum, 327.6 million years
|
Upper Boundary:
|
DER chalic.--up.Go gamma2,Emstit.novalis, 327.2 million years
|