TaxNo: 5466Perrinites praesimplicior
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Perrinitidae
|
| Genus: |
Perrinites
|
| Species: | praesimplicior |
| Qualifier: | ss |
| Author: |
Leonova 1992,p.154
|
| Lower Boundary: |
Sygar Fm.--Chelamchin Fm., 275.6 million years
|
| Upper Boundary: |
Chelamchin Fm. top, 270.6 million years
|