TaxNo: 3996Genus Cravenites
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Sudeticeratinae
|
| Genus: | Cravenites |
| Qualifier: | gy |
| Author: |
Bisat 1950,p.16
|
| Valid: | Sudeticeras Patteisky,1930, p.274 |
| Lower Boundary: |
DER Go beta falcatus--Go beta gracilis, 329.1 million years
|
| Upper Boundary: |
RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
|