TaxNo: 6235Angrenoceras langcuoense+
| Suborder: |
Goniatitina
|
| Superfamily: |
Popanoceratoidea
|
| Family: |
Mongoloceratidae
|
| Genus: |
Angrenoceras
|
| Species: | langcuoense+ |
| Qualifier: | ss |
| Author: |
Sheng 1988,p.153
|
| Lower Boundary: |
Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years
|
| Upper Boundary: |
Capitanian--Wuchiapingian [CAP--DZH], 260.4 million years
|