TaxNo: 4319Hyattoceras abichi
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Hyattoceratidae
|
| Genus: |
Hyattoceras
|
| Species: | abichi |
| Qualifier: | ss |
| Author: |
Gemmellaro 1887
|
| Lower Boundary: |
Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
|
| Upper Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|