Arctodus simus Miniature Museum formed by modified incisors

formed by modified incisors

y una característica vela dorsal formada por largas espinas neurales

it is estimated that its heavy skull could reach 65 centimeters in length

its wings were small and nonfunctional

Recientes investigaciones han mejorado la comprensión de la biomecánica del vuelo de Arambourgiania

Arctodus simus Miniature Museum formed by modified incisorsArctodus 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