Approximate measurements of the Dunkleosteus:

Dimetrodon was not a dinosaur

Its robust body and strong legs indicate that it was a quadruped dinosaur

La descripción del esqueleto postcraneal no está completamente conocida

adopts a defensive stance

Guanlong wucaii Torosaurus Approximate measurements of the Dunkleosteus:Guanlong 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