TaxNo: 1163Mesobeloceras thomasi+
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Beloceratidae
|
| Genus: |
Mesobeloceras
|
| Species: | thomasi+ |
| Qualifier: | ss |
| Author: |
Glenister 1958,p.83
|
| Lower Boundary: |
UD1F--UD1G:alveolat.--M.kayseri [02,75], 379.9 million years
|
| Upper Boundary: |
UD1J--UD1K:paradox.--A.varicosum [04,85], 376.9 million years
|