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TaxNo: 4743Properrinites? karpinskyi
Suborder: Goniatitina
Superfamily: Shumarditoidea
Family: Perrinitidae
Genus: Properrinites?
Species: karpinskyi
Qualifier: ss
Author: Tumanskaia 1949,p.64
Lower Boundary: TAP lower--upper Bus-Ter beds, 269.3 million years
Upper Boundary: TAP upper Bus--Ter beds top, 268 million years