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TaxNo: 5327Genus Neopopanoceras
Suborder: Goniatitina
Superfamily: Popanoceratoidea
Family: Popanoceratidae
Genus: Neopopanoceras
Qualifier: gy
Author: Schindewolf 1939,p.447
Valid: Tauroceras Tumanskaya 1938,p.145
Lower Boundary: Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years