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TaxNo: 6326Genus Otoceras
Suborder: Otoceratina
Family: Otoceratidae
Genus: Otoceras
Qualifier: ge
Author: Griesbach 1880
Lower Boundary: Permian--Triassic (Induan base), 251 million years
Upper Boundary: Griesbachian--Dienerian [GRI--DIE], 250.3 million years