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

largas y robustas

muscular legs were adapted for running

la cabeza del Kritosaurus era más sencilla en comparación

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,