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TaxNo: 5522Shumardites aktubensis aff.
Suborder: Goniatitina
Superfamily: Shumarditoidea
Family: Shumarditidae
Genus: Shumardites
Species: aktubensis aff.
Qualifier: af
Author: Bogoslovskaya et al. 1995.
Lower Boundary: RUS Zhigulian--Orenburgian [Ruzhentsev], 305 million years
Upper Boundary: Gzhelian--Asselian [C--P], 299 million years