TaxNo: 4668Parayakutoceras kolymaense
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Orulganitidae
|
| Genus: |
Parayakutoceras
|
| Species: | kolymaense |
| Qualifier: | ss |
| Author: |
Andrianov 1985,p.28
|
| Lower Boundary: |
RUS Branner./Gastr.--Diabol./Winslow. GZ, 311.7 million years
|
| Upper Boundary: |
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|