Length 111mm

pointed teeth in its jaws

lo que sugiere una amplia distribución geográfica durante su época

Snout-tail length 440 mm

El descubrimiento de Citipati osmolskae ha sido fundamental para entender mejor la evolución de las aves y su comportamiento reproductivo

Sphenacodon ferox Scale:1:35 Length 111mmSphenacodon 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