TaxNo: 2785Phaneroceras williamsi
| Suborder: |
Goniatitina
|
| Superfamily: |
Schistoceratoidea
|
| Family: |
Pseudoparalegoceratidae
|
| Genus: |
Phaneroceras
|
| Species: | williamsi |
| Qualifier: | ss |
| Author: |
Miller & Downs 1948,p.677
|
| Valid: |
Phaneroceras kesslerense (M.) TAX2784 |
| Lower Boundary: |
UAR Woolsey--Dye Shale, "caprock", 311.7 million years
|
| Upper Boundary: |
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|