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TaxNo: 5723Family Dimeroceratidae
Suborder: Tornoceratina
Superfamily: Dimeroceratoidea
Family: Dimeroceratidae
Qualifier: fa
Author: Hyatt 1884,p.330
Lower Boundary: UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
Upper Boundary: P.delph.--low.Platyclym.annulata IIIb/IV, 367.6 million years