TaxNo: 5989Genus Metophiceras
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Xenodiscidae
|
| Genus: | Metophiceras |
| Qualifier: | ge |
| Author: |
Spath 1935,p.34
|
| Lower Boundary: |
Permian--Triassic (Induan base), 251 million years
|
| Upper Boundary: |
Griesbachian--Dienerian [GRI--DIE], 250.3 million years
|