TaxNo: 145Masonoceras bradfordi
| Suborder: |
Tornoceratina
|
| Superfamily: |
Karagandoceratoidea
|
| Family: |
Karagandoceratidae
|
| Genus: |
Masonoceras
|
| Species: | bradfordi |
| Qualifier: | ss |
| Author: |
Manger 1971,p.35
|
| Lower Boundary: |
UOH Logan Fm. base, 357.5 million years
|
| Upper Boundary: |
UOH Logan Fm. top, 353 million years
|