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Noun1.trachodon - large duck-billed dinosaur of the Cretaceous periodtrachodon - large duck-billed dinosaur of the Cretaceous period
duck-billed dinosaur, hadrosaur, hadrosaurus - any of numerous large bipedal ornithischian dinosaurs having a horny duck-like bill and webbed feet; may have been partly aquatic
genus Trachodon - a reptile genus of the suborder Euronithopoda
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References in periodicals archive ?
A two footed plant eater was Trachodon, this one was called the duck bill.
Triceratops, trachodon, tyrannosaurus rex, dinosaur eggs, petrified turtles, fossilized vegetation, and fish are just some of the specimens on display.