Class Mammalia Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Suborder Hystricognathi Tullberg, 1899 see Infraorder Hystricognathi Tullberg, 1899 Family Octodontidae Waterhouse, 1840 - octodonts Genus Octodontomys Palmer, 1903 - chozchoz Octodontomys gliroides (Gervais & d'Orbigny, 1844) - mountain degu