TaxNo: 3315Properrinites cumminsi
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Perrinitidae
|
| Genus: |
Properrinites
|
| Species: | cumminsi |
| Qualifier: | ss |
| Author: |
White 1889,p.117
|
| Lower Boundary: |
UTX Admiral Fm. base, 299 million years
|
| Upper Boundary: |
UTX Clyde Fm. top, 284.4 million years
|