TaxNo: 6126Subfamily Cheiloceratinae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Cheiloceratidae
|
| Subfamily: | Cheiloceratinae |
| Qualifier: | fy |
| Author: |
Frech 1897,p.125
|
| Valid: | Cheiloceratidae Frech,1897,p.125 |
| Lower Boundary: |
Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
|
| Upper Boundary: |
FRM P.lunulicosta--Pharciceras arenicum, 386.6 million years
|