Yangchuanosaurus tenía una estructura robusta

snout-tail length 160 mm

Snout-tail length 193 mm

tenían inserciones musculares potentes

found in 1995

Arctodus simus Arctodus Yangchuanosaurus tenía una estructura robustaArctodus 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