TaxNo: 4413Properrinites deroeveri
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Perrinitidae
|
| Genus: |
Properrinites
|
| Species: | deroeveri |
| Qualifier: | sy |
| Author: |
Gerth 1950,p.238
|
| Valid: | Properrinites cumminsi (White 1889) |
| Lower Boundary: |
Tastubian--Sterlitamakian [TAS--STE], 290 million years
|
| Upper Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|