TaxNo: 3484Hyattoceras ? simple
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Hyattoceratidae
|
| Genus: |
Hyattoceras ?
|
| Species: | simple |
| Qualifier: | ss |
| Author: |
Sheng 1988,p.129
|
| Lower Boundary: |
Sakmarian--Artinskian [SAK--ART], 284.4 million years
|
| Upper Boundary: |
Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years
|