TaxNo: 6349Family Xinjiangoceratidae
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: | Xinjiangoceratidae |
| Qualifier: | fy |
| Author: |
Wang 1983,p.532
|
| Valid: | Proptychitidae Waagen |
| Lower Boundary: |
Permian--Triassic (Induan base), 251 million years
|
| Upper Boundary: |
Olenekian--Anisian (top Spathian), 245 million years
|