Arctodus simus Platecarpus hace aproximadamente entre 76 y

hace aproximadamente entre 76 y 73 millones de años

ocurrida hacia finales del Pleistoceno

lo que ha permitido a los científicos tener una idea de su apariencia externa

Length 332 mm

Arctodus simus Platecarpus hace aproximadamente entre 76 yArctodus simus , commonly known as the short faced bear, was one of the largest terrestrial carnivores of the Pleistocene of North America. This extinct member of the subfamily Tremarctinae inhabited a wide range of ecosystems, from the central plains to the northern forests of the continent, between approximately 800,000 and 11,000 years before present. Its highly specialized morphology has been the subject of intense debate surrounding its trophic