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TaxNo: 5414Family Beloceratidae
Suborder: Anarcestina
Superfamily: Beloceratoidea
Family: Beloceratidae
Qualifier: fa
Author: Hyatt 1884,p.333
Lower Boundary: UD1D--UD1E:S.syngon.--P.lutheri [02,00], 381.6 million years
Upper Boundary: UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years