TaxNo: 5109Genus Huananoceras
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Huananoceratidae
|
| Genus: | Huananoceras |
| Qualifier: | gy |
| Author: |
Chao & Liang 1974,p.307
|
| Valid: | Tapashanites Zhao & Liang [5114] |
| Lower Boundary: |
Anderssonoceras/Prototoceras base, 260.4 million years
|
| Upper Boundary: |
Rotodiscoceras top, 251.5 million years
|