Systema naturæ - nature
   Universum - universe see [unranked] Mundus Plinius
     naturalia - natural bodies
       Regnum Animale nom. inval. - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Quadrupedia nom. inval. - quadrupeds see Class Mammalia Linnaeus, 1758
           Order Glires nom. inval. see Order Glires Linnaeus, 1758
             Genus Mus nom. inval. see Genus Mus Linnaeus, 1758
               1 Rattus nom. inval.
               2 Mus domesticus nom. inval.
               3 Mus brachiurus nom. inval.
               4 Mus macrourus nom. inval.
               5 Lemures nom. inval.
               6 Marmota nom. inval.