TaxNo: 4917Mesobeloceras acutum
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Beloceratidae
|
| Genus: |
Mesobeloceras
|
| Species: | acutum |
| Qualifier: | ss |
| Author: |
Chao 1956,p.103
|
| 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
|