TaxNo: 4844Platygoniatites americanus
| Suborder: |
Goniatitina
|
| Superfamily: |
Goniatitoidea
|
| Family: |
Delepinoceratidae
|
| Genus: |
Platygoniatites
|
| Species: | americanus |
| Qualifier: | ss |
| Author: |
Titus 1993,p.311
|
| Lower Boundary: |
UUT Chainman Shale, upper part, 326.4 million years
|
| Upper Boundary: |
UUT Chainman Shale top, 324 million years
|