TaxNo: 3379Popanoceras walcotti
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Popanoceratidae
|
| Genus: |
Popanoceras
|
| Species: | walcotti |
| Qualifier: | ss |
| Author: |
White 1889,p.117
|
| Lower Boundary: |
UTX Clyde Fm. base, 290 million years
|
| Upper Boundary: |
UTX Clyde Fm. top, 284.4 million years
|