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Middle & Late Jurassic Dinosaurs

The Middle and Late Jurassic Periods were a time in which the dinosaurs took over the world. Learn more about the Middle and Late Jurassic dinosaurs, including the Yangchuanosaurus, Megalosaurus, and Archaepteryx.

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Apatosaurus

Apatosaurus is perhaps one of the most famous dinosaurs because of the size of the animal. A fully grown Apatosaurus could reach up to 70 feet in length. The size of this dinosaur is what earned it the nickname "thunder lizard."


Stegosaurus

No dinosaur has been the subject of as much controversy as Stegosaurus, the armored dinosaur of the Late Jurassic. For more than a hundred years, this strange plant-eater has baffled paleontologists and captured the imagination of the public. See more »

Allosaurus

Allosaurus was the most powerful, fearsome is and deadly dinosaur of the Late Jurassic. Until the Tyrannosaurus appeared this dinosaur was the largest predator to roam the Earth. See more »

Apatosaurus

Apatosaurus is perhaps one of the most famous dinosaurs because of the size of the animal. A fully grown Apatosaurus could reach up to 70 feet in length. The size of this dinosaur is what earned it the nickname "thunder lizard." See more »

Archaepteryx

Archaepteryx was a very unique dinosaur in that it resembled a bird. It is known from only six fossils, but those fossils may be the most famous bones in the world. The Archaepteryx is the dinosaur that resembles modern birds the most. See more »

Brachiosaurus

The Brachiosaurus is a unique dinosaur because of the placement of the nostril openings, which were slightly above the eyes. Its front legs were longer than the rear, which made it able to eat the leaves from high tree branches. See more »

Camarasaurus

One of the most common sauropods of the Late Jurassic was the Camarasaurus. It was a large, 25-ton plant-eater was strong and massive, with powerful legs and a strong neck and tail. See more »

Camptosaurus

Camptosaurus was one of the smallest plant-eating dinosaurs of the Late Jurassic. It weighed no more than 1,000 pounds and stood just five feet tall at the hips. Its strong legs were designed to help it avoid any predators. See more »

Ceratosaurus

Ceratosaurus was perhaps the greatest rival of the Allosaurus. It had a huge head with powerful jaws is and a massive body. It also had powerful legs which allowed it to run at high speeds. See more »

Compsognathus

The Compsognathus was one of the smallest known dinosaurs, which is amazing considering that it was a meat-eating dinosaur. This animal was about the size of a turkey and lived mostly near water. What else do we know about this dinosaur? See more »

Dacentrurus

Dacentrurus was an armored dinosaur that was related to the Stegosaurus. The most prominent feature on this dinosaur was the set of large spikes on the end of the tail. It also had plates of bones on its back just like the Stegosaurus. See more »