Home
Help
Print...
TaxNo: 5065Popanoceras praecinctum
Suborder: Goniatitina
Superfamily: Popanoceratoidea
Family: Popanoceratidae
Genus: Popanoceras
Species: praecinctum
Qualifier: ss
Author: Chernov 1907,p.312
Lower Boundary: Sakmarian--Artinskian [SAK--ART], 284.4 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years