TaxNo: 907Gundolficeras bicaniculatum+*
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Tornoceratidae
|
| Subfamily: |
Falcitornoceratinae
|
| Genus: |
Gundolficeras
|
| Species: | bicaniculatum+* |
| Qualifier: | ss |
| Author: |
Petter 1959,p.208
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|