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TaxNo: 370Family Agoniatitidae
Suborder: Agoniatitina
Superfamily: Agoniatitoidea
Family: Agoniatitidae
Qualifier: fa
Author: Holzapfel 1899,p.12
Lower Boundary: CZB elegans--cancellata Zone [14,20], 404 million years
Upper Boundary: mid.--up.varcus Zone [17,00], 389 million years