Sciuromorpha
  松鼠型亞目
  Sci·u·ro·mor·pha n. pl.  Zool. A tribe of rodents containing the squirrels and allied animals, such as the gophers, woodchucks, beavers, and others.
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  Sciuromorpha
       n : large more or less primitive rodents: squirrels; marmots;
           gophers; beavers; etc. [syn: suborder Sciuromorpha]