Terrabird

Terrabird was a 10 foot (3 meter) tall bird. It had feathers but could not fly. It ate meat and also lived in south America, with the sabourtooths. They lived during the ice age but the ice was at the tip of north America. It was during the time when mammoths were on there last legs.

The Jurassic

The Jurassic was not the first period for the dinosaurs. But it was deadly time. The time when the beasts start to form. Stegosaurus, Allosaurus, pterasals. Not all the beasts lived in that time beasts like t-Rex and Albertosaurus lived in the Cretaceous.

Dimetrodon

Dimetrodon was not actualy a dinosaur. Although it looked like one it was not. It was a prehistoric creature that passed as a dinosaur. It was a ground creature and was a carnivore that killed small bugs and dinosaurs. It lived near the start of the dinosaurs so it was not all ways a killer of dinosaurs.