tenía una armadura ósea en su parte posterior en forma de placas y espinas

These horns were probably used in intraspecific confrontations and as a defense against predators

Deinonychus

muscular legs were adapted for running

largas y robustas

Arctodus pristinus creature studio tenía una armadura ósea enArctodus pristinus is an extinct species of short faced bear belonging to the genus Arctodus , which lived in North America during the Pleistocene, approximately between 2. 5 million and 10,000 years ago. It was a close relative of Arctodus simus , although smaller in size and with some morphological differences in its skeleton that suggest different ecological adaptations. Its fossil remains have been found mainly in the southeastern United States,