TaxNo: 6508Tauroceras quadridens
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Popanoceratidae
|
| Genus: |
Tauroceras
|
| Species: | quadridens |
| Qualifier: | sn |
| Author: |
Hayasaka 1947,p.23
|
| Lower Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
| Upper Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|