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TaxNo: 1272Falcitornoceras falcatum+
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Falcitornoceratinae
Genus: Falcitornoceras
Species: falcatum+
Qualifier: ss
Author: Frech 1887,p.465
Lower Boundary: UD1L--UD2A:(frechi Zone base) [06,10], 374.5 million years
Upper Boundary: UD2F--UD2G:(subvaricatum Zone base), 370.8 million years