TaxNo: 6417Genus Proptychitoides
| Suborder: |
Otoceratina
|
| Family: |
Proptychitidae
|
| Genus: | Proptychitoides |
| Qualifier: | ge |
| Author: |
Spath 1930
|
| Lower Boundary: |
Permian--Triassic (Induan base), 251 million years
|
| Upper Boundary: |
Olenekian--Anisian (top Spathian), 245 million years
|