TaxNo: 3992Genus Cathranoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Anthracoceratidae
|
| Genus: | Cathranoceras |
| Qualifier: | ge |
| Author: |
Nikolaeva 1990,p.109
|
| Lower Boundary: |
RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years
|
| Upper Boundary: |
RUS Nm2a2--Nm2b1,Reticuloc.-Bashkortoc.G, 317.2 million years
|