Megaloceros (from Greek: μεγαλος megalos + κερας keras, literally "Great Horn"; see also Lister [1987]) is an extinctgenus of deer whose members lived throughout Eurasia from the late Pliocene to the Late Pleistocene and were important herbivores during the Ice Ages. The largest species, Megaloceros giganteus, vernacularly known as the "Irish elk" or "Giant elk", is also the best known. They are thought to be most closely related to the living Dama deer.[2][3]

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