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TaxNo: 2862Marathonites uralensis
Suborder: Goniatitina
Superfamily: Marathonitoidea
Family: Marathonitidae
Genus: Marathonites
Species: uralensis
Qualifier: ss
Author: Ruzhencev 1940,p.89
Lower Boundary: RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
Upper Boundary: Gzhelian--Asselian [C--P], 299 million years