TaxNo: 4910Mesobeloceras chaoi
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Beloceratidae
|
| Genus: |
Mesobeloceras
|
| Species: | chaoi |
| Qualifier: | sy |
| Author: |
Yatskov 1990,p.45
|
| Valid: | Mesobeloceras acutum (Chao 1956) |
| Lower Boundary: |
UD1D--UD1E:S.syngon.--P.lutheri [02,00], 381.6 million years
|
| Upper Boundary: |
UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
|