TaxNo: 1023Exotornoceras nehdense
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Posttornoceratidae
|
| Genus: |
Exotornoceras
|
| Species: | nehdense |
| Qualifier: | sy |
| Author: |
Lange 1929,p.33
|
| Valid: | Exotornoceras superstes (Wedekind 1908) |
| Lower Boundary: |
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
| Upper Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|