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TaxNo: 5045Tauroceras pygmeum
Suborder: Goniatitina
Superfamily: Popanoceratoidea
Family: Popanoceratidae
Genus: Tauroceras
Species: pygmeum
Qualifier: ss
Author: Tumanskaia 1935,p.59
Lower Boundary: Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years