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TaxNo: 430Irinoceras sp.
Suborder: Tornoceratina
Superfamily: Prionoceratoidea
Family: Prionoceratidae
Subfamily: Prionoceratinae
Genus: Irinoceras
Species: sp.
Qualifier: of
Author: Gordon 1965,p.167
Lower Boundary: UMO St.Joe Limestone base, 349 million years
Upper Boundary: UMO St.Joe Limestone-Reeds Spring Chert, 347 million years