TaxNo: 6779Subfamily Falcitornoceratinae
| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Tornoceratidae
|
| Subfamily: | Falcitornoceratinae |
| Qualifier: | fs |
| Author: |
Becker 1993,p.197
|
| Lower Boundary: |
UD1B--UD1C:stylioph.--T.kayserl. [01,70], 383.3 million years
|
| Upper Boundary: |
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|