TaxNo: 6027Subfamily Reticuloceratinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Reticuloceratidae
|
| Subfamily: | Reticuloceratinae |
| Qualifier: | fs |
| Author: |
Librovitch 1957,p.252
|
| Lower Boundary: |
GBY H2c1--H2c2 (eostriol.--prereticul.), 317.3 million years
|
| Upper Boundary: |
Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
|