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TaxNo: 5978Exotornoceras fezzouense
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Posttornoceratidae
Genus: Exotornoceras
Species: fezzouense
Qualifier: ss
Author: Becker 1995,p.618
Lower Boundary: UD4B--UD4C: serpentina Zone base [16,45], 366.4 million years
Upper Boundary: UD5C--UD6A1: Sphenoclym.brevispina base, 364 million years