TaxNo: 6680Doulingoceras costituberosum
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Paraceltitidae
|
| Genus: |
Doulingoceras
|
| Species: | costituberosum |
| Qualifier: | ss |
| Author: |
Zhou 1987,p.339
|
| Lower Boundary: |
CN South Chihsia--Maokou, 268 million years
|
| Upper Boundary: |
CN South Maokou top--Wuchiapingian base, 260.4 million years
|