Dromaeosaurus albertensis, Skull Pachycephalosaurus Holoscaphites landesi

Holoscaphites landesi

Ancient bison were abundant from 18

forming a broad crushing and grinding surface on each side above and below

It had an arboreal lifestyle

By studying the well preserved remains of Confuciusornis specimens from Sihuten

Dromaeosaurus albertensis, Skull Pachycephalosaurus Holoscaphites landesiDromaeosaurus albertensis "Swift Running Lizard" Length: 6 feet (1. 8 m) Pronounced: Dro me o Saw rus Weight: 33 pounds (15 kilos) Where found: Alberta, Canada; Montana, USA Dromaeosaurus was the original raptor. It was a small, vicious hunter that had a mouth full of serrated, razor sharp teeth and a sharp, hooked claw on each foot that it used to clamp down on its victims. It was about the size of a large dog. Its jaws were long and solidly built