TaxNo: 2872Yakutoceras aldanicum+
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Orulganitidae
|
| Genus: |
Yakutoceras
|
| Species: | aldanicum+ |
| Qualifier: | ss |
| Author: |
Popov 1965,p.71
|
| Lower Boundary: |
RUS Branner./Gastr.--Diabol./Winslow. GZ, 311.7 million years
|
| Upper Boundary: |
Diabol./Winsl--Paralego./Eowellerites GZ, 309.5 million years
|