Paleotherium /(pā`lē̇*ō̇*thē"rĭ*ŭm)/

Pa·le·o·the·ri·um

Paleotherium

n.
  1. An extinct genus of herbivorous Tertiary mammals, once supposed to have resembled the tapir in form, but now known to have had a more slender form, with a long neck like that of a llama. (Paleon.)