Allosaurus became extinct around 150 million years ago. The cause of its extinction is unknown.
Allosaurus probably hunted large, herbivorous dinosaurs such as Camptosaurus, Dryosaurus, and Stegosaurus, and young sauropods. If they hunted in packs on occasion, they may have even hunted huge sauropods such as Diplodocus, Brachiosaurus, Camarasaurus, and Apatosaurus.
An average Allosaurus was 28 feet long, while very large individuals were 32 feet long. Depending on whose estimate you use, Allosaurus weighed somewhere between 2,200 and 8,800 lb. They were nearly ten feet tall, making them taller than most Asian elephants.
Allosaurus looked like a fairly typical large theropod. Imagine Tyrannosaurus rex, but shrink it down to only 28 feet in length. Than give it much larger arms with three fingers on each hand, each finger armed with a hook-like claw. Above each eye, Allosaurus also had a small, semi-circular crest that may have been colorful in life.
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What happened to you? Mary happened to walk by at that exact time. What happened to my house?! I happened upon this lovely scarf at an estate sale.
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sleep happened