TaxNo: 5679Subgenus Swintoceras
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Reticuloceratidae
|
| Subfamily: |
Reticuloceratinae
|
| Genus: |
Reticuloceras
|
| Subgenus: | Swintoceras |
| Qualifier: | gs |
| Author: |
Saunders & Ramsbottom 1993
|
| Lower Boundary: |
GBY R1a--R1b (R.dubium--R.eoreticulatum), 316 million years
|
| Upper Boundary: |
GBY R1b--R1c (Ph.nodosum--R.reticulatum), 315.4 million years
|