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DINOSAUR INSTITUTE

by Natural History Museum of Los Angeles County

The Dinosaur Institute (DI) houses the Museum's collection of Mesozoic tetrapods (four-limbed vertebrates), dating from 250 million years ago to 65.5 million years ago. This collection includes fossils of dinosaurs spanning the Mesozoic Era, as well as fossils of other tetrapods that lived alongside the dinosaurs, such as flying and marine reptiles, crocodiles, turtles, amphibians, and early mammals.

The fossils in our collection have been acquired over nearly a century, and the collection continues to expand rapidly through the Dinosaur Institute's very active field program. The DI runs expeditions several times a year to collect fossils from Arizona, New Mexico, Nevada and Utah. They also participate in international field programs, most recently in China, South Africa, Argentina, and Antarctica.

Support the Dinosaur Institute by making a donation to the Museum Fund today!
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