TaxNo: 5383Genus Parayakutoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Orulganitidae
|
| Genus: | Parayakutoceras |
| Qualifier: | ge |
| Author: |
Popov 1970,p.123
|
| Lower Boundary: |
RUS Branner./Gastr.--Diabol./Winslow. GZ, 311.7 million years
|
| Upper Boundary: |
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|