Home
Help
Print...
TaxNo: 3808Propinacoceras ajense
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Medlicottiidae
Subfamily: Propinacoceratinae
Genus: Propinacoceras
Species: ajense
Qualifier: ss
Author: Maksimova 1935,p.274
Lower Boundary: Aktastinian--Baigendzhinian [AKT--BAI], 282 million years
Upper Boundary: Kungurian/Leonardian--Roadian [KUN--ROA], 270.6 million years