The bones were adapted to support life in the aquatic environment

hace aproximadamente 345 a 295 millones de años

stood as one of the largest temnospondyls of its time

con un cuerno nasal recto y prominente situado justo detrás de las fosas nasales y dos cuernos supraorbitarios cortos

Arctodus simus Scale:1:35 The bones were adapted toArctodus 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