TaxNo: 2632Paracravenoceras barnettense
| Suborder: |
Goniatitina
|
| Superfamily: |
Gastrioceratoidea
|
| Family: |
Glaphyritidae
|
| Subfamily: |
Glaphyritinae
|
| Genus: |
Paracravenoceras
|
| Species: | barnettense |
| Qualifier: | ss |
| Author: |
Plummer & Scott 1937,p.108
|
| Lower Boundary: |
UTX Barnett Fm. base, 326.4 million years
|
| Upper Boundary: |
UTX Barnett Fm. top, 323 million years
|