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TaxNo: 3227Propinacoceras beyrichi+
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Medlicottiidae
Subfamily: Propinacoceratinae
Genus: Propinacoceras
Species: beyrichi+
Qualifier: ss
Author: Gemmellaro 1887,p.56
Lower Boundary: Roadian--Wordian (Murgabian) [ROA--WOR], 268 million years
Upper Boundary: Wordian--Capitanian (Midian) [WOR--CAP], 265.8 million years