Imperium naturae C. Linnaeus, 1758 - nature
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Class Mammalia Linnaeus, 1758 - mammals
       Unguiculata Linnaeus, 1766
         Order Glires Linnaeus, 1758 see Superorder Glires Linnaeus, 1758
           21 Genus Hystrix Linnaeus, 1758 - short-tailed porcupines
           22 Genus Lepus Linnaeus, 1758 - hares
           23 Genus Castor Linnaeus, 1758 - beavers
           24 Genus Mus Linnaeus, 1758 - mice
           25 Genus Sciurus Linnaeus, 1758 - tree squirrels
           26 Genus Noctilio Linnaeus, 1766 - bulldog bats, fisherman bats