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TaxNo: 3139Cluthoceras sp.
Suborder: Goniatitina
Superfamily: Pericycloidea
Family: Muensteroceratidae
Genus: Cluthoceras
Species: sp.
Qualifier: in
Author: div. authors
Lower Boundary: GBY E1c--E2a1 (Crav.malham.--cowling.), 324 million years
Upper Boundary: GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years