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TaxNo: 2980Agoniatites gannanensis
Suborder: Agoniatitina
Superfamily: Agoniatitoidea
Family: Agoniatitidae
Genus: Agoniatites
Species: gannanensis
Qualifier: ss
Author: Ruan 1987,p.220
Lower Boundary: MD2B--MD2C:molar.--terebratum Z. [14,30], 390 million years
Upper Boundary: MD2C--MD2D:Afromaenioc.GZ base [16,20], 389.3 million years