TaxNo: 1240Mesobeloceras kayseri
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Beloceratidae
|
| Genus: |
Mesobeloceras
|
| Species: | kayseri |
| Qualifier: | ss |
| Author: |
Holzapfel 1882,p.238
|
| Lower Boundary: |
DER do one beta base, 378.7 million years
|
| Upper Boundary: |
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|