Castoroides

from WordNet (r) 3.0 (2006)

Castoroides
    n 1: extinct beavers of the Pleistocene; of eastern and southern
         United States [syn: {Castoroides}, {genus Castoroides}]

from The Collaborative International Dictionary of English v.0.48

Castoroides \Castoroides\ n.
   a genus of extinct beavers of the Pleistocene; of eastern and
   southern U.S.

   Syn: genus {Castoroides}.
        [WordNet 1.5]

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