TaxNo: 6829Subfamily Paratornoceratinae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Dimeroceratidae
|
| Subfamily: | Paratornoceratinae |
| Qualifier: | fy |
| Author: |
Becker 2002,p.174
|
| Valid: |
Dimeroceratidae Hyatt [TAX5723] |
| Lower Boundary: |
UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
|
| Upper Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|