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TaxNo: 3317Properrinites vicinus
Suborder: Goniatitina
Superfamily: Shumarditoidea
Family: Perrinitidae
Genus: Properrinites
Species: vicinus
Qualifier: sy
Author: Miller & Furnish 1940,p.143
Valid: Properrinites cumminsi (White 1889)
Lower Boundary: UTX Clyde Fm. base, 290 million years
Upper Boundary: UTX Clyde Fm. top, 284.4 million years