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18 hours ago · 2006. Adamantina Formation ( Late Cretaceous, Turonian to Maastrichtian ) Brazil. Derived for a titanosaur as indicated by the ball-and-socket articulations of its caudal vertebrae. Adeopapposaurus. 2009. Cañón del Colorado Formation ( Early Jurassic, Hettangian to Pliensbachian ) Argentina. May have had a keratinous beak based on the shape ...
