The Camarasaurus was a
large Jurassic sauropod that subsided in moist tropical plains.
had a small head with many spoon shaped teeth that assisted in
chewing the tough fibrous plants of that time. With its long neck
it could eat the fresher materials at the top of the larger trees
and plants. Being a herd animal, the Camarasaurus was
constantly bothered by predacious dinosaurs, one of which was the Allosaurus.
156 - 145 MYA, Late Jurassic
Up to 66ft (20m) long .
The Allosaurus was the
main meat eating dinosaur of the Jurassic and the greatest worry
of the herbivorous dinosaurs of its days. Allosaurus probably traveled in
small group to assist each other in the attack on a larger animal,
such as Apatosaurus. Allosaurus received its name based on some
smal finds in 1877 and the first complete skeleton was unearthed
in 1883 and 1884.
- 156 - 145 MYA, Late Jurassic period.
- USA (Colorado,Utah,Wyoming)
- Up to 36ft (12 m) long.