TaxNo: 5264Subfamily Paragastrioceratinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Neoicoceratoidea
|
| Family: |
Paragastrioceratidae
|
| Subfamily: | Paragastrioceratinae |
| Qualifier: | fs |
| Author: |
Ruzhencev 1951,p.138
|
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|