Dinosaurs - Hadrosaurs jaw

Dinosaurs - Hadrosaurs jaw (Edmontosaurus annectens). Cretaceous, Montana, USA, and Alberta, Canada. The photograph shows the tooth battery of a Hadrosaur (plant eating dinosaurs). They were self-sharpening teeth; new teeth emerged through the life of the animal as worn ones were dropped out.Specimen from Collections of the Black Hills Institute of Geological Research, Hill City, South Dakota, USA

Annectens Bone Bones Dinosaur Dinosaurs Edmontosaurus Fossil Fossils Hadrosaurs Palaeontology Prehistoric

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