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TaxNo: 1804Raymondiceras inceptum
Suborder: Tornoceratina
Superfamily: Dimeroceratoidea
Family: Cheiloceratidae
Genus: Raymondiceras
Species: inceptum
Qualifier: ss
Author: Petersen 1975,p.23
Lower Boundary: P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years
Upper Boundary: UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years