Suborder:
|
Tornoceratina
|
Superfamily:
|
Tornoceratoidea
|
Family:
|
Tornoceratidae
|
Subfamily:
|
Falcitornoceratinae
|
Genus:
|
Gundolficeras
|
Species:
|
delepinei |
Qualifier:
|
ss |
Author:
|
Petter 1959,p.209
|
Lower Boundary:
|
UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
|
Upper Boundary:
|
UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years
|