Home
Help
Print...
TaxNo: 5823Family Sinotitidae
Suborder: Tornoceratina
Superfamily: Dimeroceratoidea
Family: Sinotitidae
Qualifier: fa
Author: Chang 1960,p.181
Lower Boundary: UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
Upper Boundary: UD2H--UD2I:(mamilliferum base) [12,90], 370 million years