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TaxNo: 5579Genus Truyolsoceras
Suborder: Tornoceratina
Superfamily: Tornoceratoidea
Family: Tornoceratidae
Subfamily: Aulatornoceratinae
Genus: Truyolsoceras
Qualifier: ge
Author: Montesinos 1987,p.121
Lower Boundary: UD2B--UD2C:(subpartitum Z. base) [09,20], 373.2 million years
Upper Boundary: UD2D--UD2E:globosum--P.petterae [11,30], 372 million years