TaxNo: 6515Doulingoceras nodosum+
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Paraceltitidae
|
| Genus: |
Doulingoceras
|
| Species: | nodosum+ |
| Qualifier: | ss |
| Author: |
Zhou 1985,p.198
|
| Lower Boundary: |
lower Capitanian--upper Capitanian, 263 million years
|
| Upper Boundary: |
CN South Maokou top--Wuchiapingian base, 260.4 million years
|