from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various extinct ungulate mammals of the Eocene to Pleistocene epochs, having distinctive three-clawed, three-toed feet.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of various odd-toed ungulates, of the family Chalicotheriidae, from the Eocene and Pleistocene periods


New Latin Chalicotherium, genus name : Greek khalix, khalik-, pebble + Greek thērion, diminutive of thēr, beast; see ghwer- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • She decided to announce them to the world at a press conference in Washington, D.C., in February 1978, along with some other surprising finds: the first fossilized prints of a chalicothere, a peculiar herbivore that sported claws on its hooves; and the possible track of a knuckle-walking ape.

    Ancestral Passions


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