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TaxNo: 3314Properrinites bakeri
Suborder: Goniatitina
Superfamily: Shumarditoidea
Family: Perrinitidae
Genus: Properrinites
Species: bakeri
Qualifier: ss
Author: Plummer & Scott 1937,p.309
Lower Boundary: UTX Lenox Hills Formation base, 294.6 million years
Upper Boundary: UTX Lenox Hills Formation top, 290 million years