Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899
       Family Dasyproctidae Gray, 1825 - agoutis and pacas
         1 Genus Dasyprocta Illiger, 1811 - agoutis
         2 Genus Myoprocta Thomas, 1903 - acouchis