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TaxNo: 3444Irinoceras altayense
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Prionoceratinae
Genus: Irinoceras
Species: altayense
Qualifier: ss
Author: Wang 1983,p.520
Lower Boundary: DER Go alpha 3--Go alpha 4 [13.00], 332 million years
Upper Boundary: RUS Nm1a1 base, Hypergon.-Ferganoc. GZ, 327.8 million years