sciurine

from The Collaborative International Dictionary of English v.0.48

Sciurine \Sci"u*rine\ (?; 277), a. [Cf. F. sciurien. See
   {Sciurus}.] (Zool.)
   Of or pertaining to the Squirrel family. -- n. A rodent of
   the Squirrel family.
   [1913 Webster]