TaxNo: 891Praeglyphioceras pseudosphaericum+
| Suborder: |
Tornoceratina
|
| Superfamily: |
Praeglyphioceratoidea
|
| Family: |
Praeglyphioceratidae
|
| Genus: |
Praeglyphioceras
|
| Species: | pseudosphaericum+ |
| Qualifier: | ss |
| Author: |
Frech 1897,p.177g
|
| Lower Boundary: |
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
| Upper Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|