TaxNo: 2067Probeloceras? tetragonum
| Suborder: |
Anarcestina
|
| Superfamily: |
Beloceratoidea
|
| Family: |
Beloceratidae
|
| Genus: |
Probeloceras?
|
| Species: | tetragonum |
| Qualifier: | ss |
| Author: |
Roemer 1850,p.39
|
| Lower Boundary: |
DER do one beta--do one gamma, 377.5 million years
|
| Upper Boundary: |
UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years
|