TaxNo: 1597Agoniatites tetrolcus
| Suborder: |
Agoniatitina
|
| Superfamily: |
Agoniatitoidea
|
| Family: |
Agoniatitidae
|
| Genus: |
Agoniatites
|
| Species: | tetrolcus |
| Qualifier: | ss |
| Author: |
Ruan 1981,p.33
|
| Lower Boundary: |
Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
|
| Upper Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|