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TaxNo: 2936Stenopronorites arctusus
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Pronoritidae
Subfamily: Pronoritinae
Genus: Stenopronorites
Species: arctusus
Qualifier: ss
Author: Ruan 1981,p.173
Lower Boundary: CNG Qixu 15--16, 313 million years
Upper Boundary: CNG Qixu 16 top, 309.5 million years