Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs
       Subfamily Pteromyinae Brandt, 1855 - flying squirrels
         Genus Hylopetes Thomas, 1908 - pygmy flying squirrels
           01 Hylopetes alboniger Hodgson, 1836 - particoloured flying squirrel
           02 Hylopetes baberi (Blyth, 1847)
           03 Hylopetes fimbriatus (Gray, 1837) - Kashmir pygmy flying squirrel see Eoglaucomys fimbriatus Gray, 1837
           04 Hylopetes electilis - Hainan flying squirrel
           05 Hylopetes lepidus (Horsfield, 1824) - grey-cheeked flying squirrel
           06 Hylopetes mindanensis see Petinomys crinitus Hollister, 1911
           07 Hylopetes nigripes Thomas, 1893
           08 Hylopetes phayrei Blyth, 1859 - Phayre's flying squirrel
           09 Hylopetes platyurus Jentink, 1890 - grey-cheeked flying squirrel
           10 Hylopetes sipora Chasen, 1940
           11 Hylopetes spadiceus Blyth, 1847 - red-cheeked flying squirrel