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TaxNo: 1337Sellagoniatites unilobatus
Suborder: Agoniatitina
Superfamily: Agoniatitoidea
Family: Agoniatitidae
Genus: Sellagoniatites
Species: unilobatus
Qualifier: ss
Author: Hall 1874,p.24
Lower Boundary: Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
Upper Boundary: mid.--up.varcus Zone [17,00], 389 million years