TaxNo: 6415Wangrenoceras rotalarium+
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Liuchengoceratidae
|
| Genus: |
Wangrenoceras
|
| Species: | rotalarium+ |
| Qualifier: | ss |
| Author: |
Yang & Yang 1992,p.600
|
| Lower Boundary: |
Wuchiapingian--Changhsingian [DZH--CHX], 253.8 million years
|
| Upper Boundary: |
Permian--Triassic (Induan base), 251 million years
|