Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
         Subfamily Sciurinae Batsch, 1788 - tree and ground squirrels
           Genus Dremomys Heude, 1898 - red-cheeked squirrels
             1 Dremomys everetti Thomas, 1890 - Bornean mountain ground squirrel
             2 Dremomys lokriah Hodgson, 1836 - orange-bellied Himalayan squirrel
             3 Dremomys pernyi (Milne-Edwards, 1867) - Perny's long-nosed squirrel
             4 Dremomys pyrrhomerus Thomas, 1895
             5 Dremomys rufigenis Blanford, 1878 - red-cheeked squirrel