TaxNo: 1377Agoniatites costulatus
| Suborder: |
Agoniatitina
|
| Superfamily: |
Agoniatitoidea
|
| Family: |
Agoniatitidae
|
| Genus: |
Agoniatites
|
| Species: | costulatus |
| Qualifier: | ss |
| Author: |
Archiac & Verneuil 1842,p.341
|
| Lower Boundary: |
MD2A--MD2B: undul.--molarium Z. [13,00], 390.6 million years
|
| Upper Boundary: |
mid.--up.varcus Zone [17,00], 389 million years
|