Scale 1:72 - 115 mm large

brevirostris) is an extinct genus of mammal that lived during the Miocene of the Neogen period

particularly in the Alberta region of Canada

in what is now China

Medidas aproximadas del Edmontosaurus:

Sphenacodon ferox skeleton Scale 1:72 - 115 mmSphenacodon ferox : A primitive predator on the path of mammals During the Early Permian, some 300 million years ago, terrestrial ecosystems were dominated by a diverse and constantly evolving fauna. Among the most prominent predators of that time was Sphenacodon ferox , a carnivorous synapsid that inhabited the regions that now constitute the southwestern United States. This animal, although extinct for hundreds of millions of years, represents a key