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TaxNo: 1995Hibernicoceras ultimum
Suborder: Goniatitina
Superfamily: Goniatitoidea
Family: Goniatitidae
Genus: Hibernicoceras
Species: ultimum
Qualifier: ss
Author: Korn 1988,p.116
Lower Boundary: DER Go spirale--Go beta rotundum, 328.6 million years
Upper Boundary: DER rotundum--Go beta suerlandense, 328.4 million years