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TaxNo: 6664Family Pseudarietitidae
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Pseudarietitidae
Qualifier: fa
Author: Bartzsch & Weyer 1987,p.61
Lower Boundary: Acut.prorsum--A.acutum/G.subinvoluta, 359.2 million years
Upper Boundary: Hastarian--Ivorian [HAS--IVO], 353 million years