TaxNo: 4412Properrinites furnishi
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Perrinitidae
|
| Genus: |
Properrinites
|
| Species: | furnishi |
| Qualifier: | ss |
| Author: |
Nassichuk 1971,p.1009
|
| Lower Boundary: |
Asselian--Sakmarian [ASS--SAK], 294.6 million years
|
| Upper Boundary: |
Tastubian--Sterlitamakian [TAS--STE], 290 million years
|