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TaxNo: 1760Aulatornoceras serriense
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Aulatornoceratinae
Genus: Aulatornoceras
Species: serriense
Qualifier: ss
Author: Becker 1993,p.213
Lower Boundary: UD2A--UD2B:(verneuili Zone base) [07,75], 374 million years
Upper Boundary: UD2F--UD2G:(subvaricatum Zone base), 370.8 million years