TaxNo: 6813Genus Laibinoceras
| Suborder: |
Paraceltitina
|
| Superfamily: |
Xenodiscoidea
|
| Family: |
Xenodiscidae
|
| Genus: | Laibinoceras |
| Qualifier: | ge |
| Author: |
Yang 1987,p.264
|
| Lower Boundary: |
AZB Dzhulfites beds base, 253 million years
|
| Upper Boundary: |
AZB Paratirolites--Pleuronodoceras beds, 251.5 million years
|