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TaxNo: 4484Richardsonites baccans
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Glaphyritidae
Subfamily: Glaphyritinae
Genus: Richardsonites
Species: baccans
Qualifier: ss
Author: Popov 1979,p.61
Lower Boundary: RUS Nm1b2--Nm1c1,Fayettevillea-Delepinoc, 324 million years
Upper Boundary: RUS Nm1c2--Nm2a1, Homoc.-Hudsonoc.GZ, 318.1 million years