the scene descends into a frenzy of violence

flapped its wings frantically trying to evade the predator

Approximate measurements of the Dunkleosteus:

Dimetrodon was not a dinosaur

the best known species is the woolly mammoth (Mammuthus primigenius)

Guanlong wucaii Torosaurus the scene descends into aGuanlong wucaii was a carnivorous dinosaur that lived during the Late Jurassic period, approximately 156 million years ago, in the Oxfordian, in what is now Asia. This dinosaur is notable for being one of the first known members of the tyrannosauroid group, the precursors of the famous Tyrannosaurus rex. In terms of size, the Guanlong wucaii was relatively small compared to its better known descendants. Fossils indicate that it reached a length of