#family_Aplodontiidae__Aplodontiidae  mountain beavers
  supertype:  mammal_family  a family of mammals
  member of:  suborder_Sciuromorpha
  member:  genus_Aplodontia__Aplodontia  type genus of the Aplodontiidae: comprising the mountain beavers
     member:  mountain_beaver__sewellel__Aplodontia_rufa  bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent

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