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TaxNo: 4307Genus Archoceras
Suborder: Anarcestina
Superfamily: Anarcestoidea
Family: Anarcestidae
Subfamily: Werneroceratinae
Genus: Archoceras
Qualifier: ge
Author: Schindewolf 1937,p.243
Lower Boundary: UD1K--UD1L:varicos.--C.holzapfeli [05,35, 375.1 million years
Upper Boundary: UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years