TaxNo: 5119Genus Pseudotirolites
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Pseudotirolitidae
|
| Genus: | Pseudotirolites |
| Qualifier: | ge |
| Author: |
Sun 1939,p.44
|
| Lower Boundary: |
Paratirol./Shevyrev.--Pseudosteph./Tap., 253 million years
|
| Upper Boundary: |
Rotodiscoceras top, 251.5 million years
|