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TaxNo: 1447Beloceras tenuistriatum+
Suborder: Anarcestina
Superfamily: Beloceratoidea
Family: Beloceratidae
Genus: Beloceras
Species: tenuistriatum+
Qualifier: ss
Author: Archiac & Verneuil 1842,p.343
Lower Boundary: DER do one beta base, 378.7 million years
Upper Boundary: UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years