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TaxNo: 6247Syngastrioceras mirabile
Suborder: Goniatitina
Superfamily: Gastrioceratoidea
Family: Glaphyritidae
Subfamily: Glaphyritinae
Genus: Syngastrioceras
Species: mirabile
Qualifier: ss
Author: Yin 1937,p.355
Lower Boundary: Langsettian--Duckmantian, Westphal.A--B, 311.3 million years
Upper Boundary: U Atokan--Desmoinesian [ATO--DES], 308.6 million years