TaxNo: 3610Hyattoceras anfuense
| Suborder: |
Goniatitina
|
| Superfamily: |
Marathonitoidea
|
| Family: |
Hyattoceratidae
|
| Genus: |
Hyattoceras
|
| Species: | anfuense |
| Qualifier: | ss |
| Author: |
Zhao et al. 1978,p.77
|
| Lower Boundary: |
Anderssonoceras/Prototoceras base, 260.4 million years
|
| Upper Boundary: |
Anderssonoc./Prototoc.--Araxoc./Kongl., 258 million years
|