TaxNo: 5000Sundernites horni+
| Suborder: |
Goniatitina
|
| Superfamily: |
Dimorphoceratoidea
|
| Family: |
Girtyoceratidae
|
| Subfamily: |
Girtyoceratinae
|
| Genus: |
Sundernites
|
| Species: | horni+ |
| Qualifier: | ss |
| Author: |
Korn 1993,p.49
|
| Lower Boundary: |
DER lowest E1--E1 alpha, 326 million years
|
| Upper Boundary: |
GBY E1a -- E1b; DER S.horni--T.angustus, 326.2 million years
|