Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Anomaluridae Gervais, 1849 - scaly-tailed squirrels
         Subfamily Zenkerellinae Matschie, 1898 see Family Zenkerellidae Matschie, 1898
           Genus Idiurus Matschie, 1894 - pygmy scaly-tailed flying squirrels
             1 Idiurus macrotis Miller, 1898 - long-eared flying squirrel
             2 Idiurus zenkeri Matschie, 1894 - Zenker's flying squirrel