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

Length 111mm

It is thought that they hunted large game such as bison

Secodontosaurus willistoni is just one of many therapsid species that inhabited Earth in the past and played a crucial role in the evolution of modern mammals

leading to the extinction of the species

Sphenacodon ferox Scale:1:35 El descubrimiento de Citipati osmolskaeSphenacodon 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