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TaxNo: 6827Posttornoceras fallax
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Posttornoceratidae
Subfamily: Posttornoceratinae
Genus: Posttornoceras
Species: fallax
Qualifier: ss
Author: Korn 2002,p.459
Lower Boundary: UD2F--UD2G:(subvaricatum Zone base), 370.8 million years
Upper Boundary: UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years