TaxNo: 5182Genus Erinoceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Pseudohaloritoidea
|
| Family: |
Pseudohaloritidae
|
| Subfamily: |
Shouchangoceratinae
|
| Genus: | Erinoceras |
| Qualifier: | ge |
| Author: |
Zhao & Zheng 1977,p.231
|
| Lower Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|
| Upper Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|