hace aproximadamente 345 a 295 millones de años

Las características del cráneo de Dracorex

It weighed about 2 to 3 tons

It is thought that they could have laid eggs in the sand like today's turtles or they could have given birth to their young in the sea

Gigantoraptor erlianensis inhabited a region that was once warm and semi-desert

Arctodus simus Scale:1:35 hace aproximadamente 345 a 295Arctodus simus , commonly known as the short faced bear, was one of the largest terrestrial carnivores of the Pleistocene of North America. This extinct member of the subfamily Tremarctinae inhabited a wide range of ecosystems, from the central plains to the northern forests of the continent, between approximately 800,000 and 11,000 years before present. Its highly specialized morphology has been the subject of intense debate surrounding its trophic