TaxNo: 3002Genus Haugiceras
| Suborder: |
Tornoceratina
|
| Superfamily: |
Prionoceratoidea
|
| Family: |
Prionoceratidae
|
| Subfamily: |
Prionoceratinae
|
| Genus: | Haugiceras |
| Qualifier: | gy |
| Author: |
Cossmann 1900,p.43
|
| Valid: | Prionoceras Hyatt 1884 |
| Lower Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|
| Upper Boundary: |
UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
|