Size and Weight: About 10 feet long and one tonĭistinguishing Characteristics: Rhinoceros-like trunk two conical horns on head quadrupedal posture primitive teethĪlthough it wasn't directly ancestral to the modern rhinoceros, Arsinoitherium (the name refers to the mythical Egyptian Queen Arsenoe) cut a very rhino-like profile, with its stumpy legs, squat trunk and herbivorous diet. Historical Epoch: Late Eocene-Early Oligocene (35-30 million years ago) Name: Arsinoitherium (Greek for "Arsenoe's beast," after a mythical queen of Egypt) pronounced ARE-sih-noy-THEE-re-um Like modern bears, Agriotherium supplemented its diet with fish, fruit, vegetables, and pretty much any other kind of digestible food it happened across.Īrsinoitherium. Agriotherium was characterized by its relatively long legs (which gave it a vaguely dog-like appearance) and blunt snout studded with massive, bone-crushing teeth-a hint that this prehistoric bear may have scavenged the carcasses of other megafauna mammals rather than hunting live prey. One of the largest bears that ever lived, the half-ton Agriotherium achieved a remarkably wide distribution during the Miocene and Pliocene epochs, reaching as far as North America, Eurasia and Africa. Size and Weight: Up to eight feet long and 1,000-1,500 poundsĭistinguishing Characteristics: Large size long legs dog-like build ![]() Historical Period: Late Miocene-Early Pleistocene (10-2 million years ago) Habitat: Plains of North America, Eurasia and Africa Name: Agriotherium (Greek for "sour beast") pronounced AG-ree-oh-THEE-ree-um
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