Home
Help
Print...
TaxNo: 5773Family Tornoceratidae
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Qualifier: fa
Author: Arthaber 1911,p.175
Lower Boundary: australis--kockelianus Zone [04,80], 393.8 million years
Upper Boundary: UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years