Hall of Ornithischian Dinosaurs


One of two halls in the David H. Koch Dinosaur Wing, the Hall of Ornithischian Dinosaurs features fossils from one of the two major groups of dinosaurs. The ornithischians are characterized by a backward-pointing extension of the pubis bone, which is thought to have helped to support the enormous stomachs that these dinosaurs needed to digest the masses of tough vegetation they ate.

Within the Hall of Ornithischian Dinosaurs, exhibits explore two evolutionary branches within this group: the genasaurs, which are defined by the development of inset tooth rows that form cheeks, and the cerapods, identified by an uneven covering of tooth enamel. These traits may have made holding and chewing food easier.

Together, the two halls of the Koch Dinosaur Wing feature about 100 specimens, 85 percent of them fossils, rather than casts. These 100 specimens are just a small fraction of the Museum’s collection of dinosaur fossils, which is among the largest and most scientifically important of such collections in the world.

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