TaxNo: 6803Subfamily Popanoceratinae
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Popanoceratidae
|
| Subfamily: | Popanoceratinae |
| Qualifier: | fy |
| Author: |
Hyatt 1900,p.564
|
| Valid: |
Popanoceratidae Hyatt [TAX5319] |
| Lower Boundary: |
Gzhelian--Asselian [C--P], 299 million years
|
| Upper Boundary: |
Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
|