[organisms]
   Animalia [Linnaeus, 1758]
     Eumetazoa [Butschli, 1910]
       Bilateria [Hatschek, 1888]
         Deuterostomia [Grobben, 1908]
           Chordata [Bateson, 1885]
             Vertebrata [Cuvier, 1812]
               Tetrapoda [Goodrich, 1930]
                 Mammalia [Linnaeus, 1758]
                   Theria [Parker & Haswell, 1897]
                     Eutheria [Gill, 1872]
                       Lagomorpha [Brandt, 1855]
                         Ochotonidae [Thomas, 1897]
                           Ochotona [Link, 1795]