TaxNo: 5278Genus Retiogastrioceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: |
Pseudogastrioceratinae
|
| Genus: | Retiogastrioceras |
| Qualifier: | gy |
| Author: |
Zhao et al. 1978,p.76
|
| Valid: |
Strigogoniatites Spath,1934 TAX5283 |
| Lower Boundary: |
Anderssonoceras/Prototoceras base, 260.4 million years
|
| Upper Boundary: |
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|