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meaning: "Star tooth"
Named By: Joseph Leidy in 1865
Time Period: Early Cretaceous, 112 Ma
Location: USA, Maryland - Arundel Formation, Oklahoma - Antlers Formation
Size: Estimated at about 15-18 meters long
Diet: Herbivore
Fossil(s): Partial remains
Classification: | Chordata | Reptilia | Dinosauria | Saurischia | Sauropoda | Titanosauriformes |
Also known as: | Pleurocoelus |

Astrodon (aster: star, odon: tooth) is a genus of large herbivorous sauropod dinosaur, related to Brachiosaurus, that lived in what is now the eastern United States during the Early Cretaceous period. Its fossils have been found in the Arundel Formation, which has been dated through palynomorphs to the Albian about 112 million years ago. Adults are estimated to have been more than 9 m (30 ft) high and 15 to 18 m (50 to 60 ft) long.

Read more about Astrodon at Wikipedia
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