TaxNo: 1877Prolobites? umbilicatus
| Suborder: |
Tornoceratina
|
| Superfamily: |
Dimeroceratoidea
|
| Family: |
Prolobitidae
|
| Genus: |
Prolobites?
|
| Species: | umbilicatus |
| Qualifier: | sn |
| Author: |
Sobolev 1914,p.54
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|