TaxNo: 3007Subgenus Mayneoceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: |
Balvia
|
| Subgenus: | Mayneoceras |
| Qualifier: | gy |
| Author: |
Selwood 1960,p.171
|
| Valid: |
Balvia Lange,1929 [TAX3005] |
| Lower Boundary: |
UD6A2--UD6B:Balvia(M.) lens base [18,20], 363.2 million years
|
| Upper Boundary: |
UD6E--UD6F:Cym.nigra--A.prorsum [19,40], 360 million years
|