| Suborder: |
Tornoceratina
|
| Superfamily: |
Tornoceratoidea
|
| Family: |
Tornoceratidae
|
| Subfamily: |
Falcitornoceratinae
|
| Genus: |
Gundolficeras
|
| Species: | escoti |
| Qualifier: | ss |
| Author: |
Frech 1887,p.448
|
| Lower Boundary: |
UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
|
| Upper Boundary: |
P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
|
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