Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
       Subfamily Sciurinae Batsch, 1788 - tree and ground squirrels
         Genus Sundasciurus Moore, 1958 - Sunda squirrels
           01 Sundasciurus brookei Thomas, 1892 - Brooke's squirrel
           02 Sundasciurus hippurus I. Geoffroy, 1831 - horse-tailed squirrel
           03 Sundasciurus jentinki Thomas, 1887 - Jentink's squirrel
           04 Sundasciurus juvencus Thomas, 1908
           05 Sundasciurus lowii Thomas, 1892 - Low's squirrel
           06 Sundasciurus mindanensis Steere, 1890
           07 Sundasciurus moellendorffi Matschie, 1898
           08 Sundasciurus philippinensis Waterhouse, 1839
           09 Sundasciurus rabori Heaney, 1979
           10 Sundasciurus samarensis Steere, 1890
           11 Sundasciurus steerii Günther, 1876[1877]
           12 Sundasciurus tenuis Horsfield, 1824 - slender squirrel