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TaxNo: 4669Metapronorites bifidus
Suborder: Prolecanitina
Superfamily: Medlicottioidea
Family: Pronoritidae
Subfamily: Pronoritinae
Genus: Metapronorites
Species: bifidus
Qualifier: ss
Author: Andrianov 1985,p.112
Lower Boundary: RUS Miachkovian--Zhigulian [MYA--ZHI], 306.5 million years
Upper Boundary: Gzhelian--Asselian [C--P], 299 million years