TaxNo: 3316Properrinites denhami
| Suborder: |
Goniatitina
|
| Superfamily: |
Shumarditoidea
|
| Family: |
Perrinitidae
|
| Genus: |
Properrinites
|
| Species: | denhami |
| Qualifier: | ss |
| Author: |
Miller & Furnish 1940,p.141
|
| Lower Boundary: |
UTX Lower Hueco Lst. base, 299 million years
|
| Upper Boundary: |
UTX Lower Hueco--Upper Hueco Lst., 284.4 million years
|