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TaxNo: 270Aquilonites angustilobatus+
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Intoceratidae
Genus: Aquilonites
Species: angustilobatus+
Qualifier: ss
Author: Kuzina 1974,p.23
Lower Boundary: RUN Kos'vinskii gorizont base, 349 million years
Upper Boundary: RUN Kos'vinskii--Nortnichskii, 340 million years