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Agriotherium is an extinct genus of Ursidae of the Miocene through Pleistocene epochs, endemic to North America, Europe, Africa, and Asia living from 13.6 – 2.5 million years ago, existing for approximately 11.1 million years. Agriotherium was about 2.7 meters (9 ft) in body length, making it larger than most living bears. Except for the extinct subspecies of modern polar bear Ursus maritimus tyrannus, Agriotherium was along with the short - faced bear, Arctodus simus the largest member of terrestial Carnivora. It had dog-like crushing teeth. Its primary diet was carnivorous and secondary was omnivorous possibly classifying this animal as mesocarnivore. With a body mass greater than most large ungulates (horses, bovines, camelids, and rhinoceroses), it is probable that Agrotherium could have preyed on these.