Suborder:
|
Tornoceratina
|
Superfamily:
|
Tornoceratoidea
|
Family:
|
Tornoceratidae
|
Subfamily:
|
Tornoceratinae
|
Genus:
|
Tornoceras
|
Species:
|
baldisi |
Qualifier:
|
ss |
Author:
|
Leanza 1968,p.327
|
Lower Boundary:
|
mid.--up.varcus Zone [17,00], 389 million years
|
Upper Boundary:
|
UD2H--UD2I:(mamilliferum base) [12,90], 370 million years
|