TaxNo: 7051Tornoceras subacutum
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Tornoceratidae
|
| Subfamily: |
Tornoceratinae
|
| Genus: |
Tornoceras
|
| Species: | subacutum |
| Qualifier: | ss |
| Author: |
Makowski 1991,p.250
|
| Lower Boundary: |
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|
| Upper Boundary: |
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|