Longitud 86 mm

but buoyancy and muscular hind legs allow them to propel themselves with clumsy but purposeful movements

with hind legs longer than front legs

Regarding its general anatomy

It had a relatively small head compared to larger ceratopsians that evolved later

Sphenacodon ferox Scale:1:20 Longitud 86 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