such as the sauropod Giraffatitan and the theropod Allosaurus

Length 40 mm

La estructura ósea del ala está formada por huesos huecos pero densos

which are the most common remains attributed to this species

useful for capturing and manipulating prey

Arctodus pristinus Asfaltovenator such as the sauropod GiraffatitanArctodus 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,