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 Ferae nom. inval. see Order Ferae Linnaeus, 1758
             Genus Ursus nom. inval. see Genus Ursus Linnaeus, 1758
               1 Ursus Plinius, nom. inval. see Ursus arctos Linnaeus, 1758
               2 Coati Marcgr., nom. inval. see Ursus lotor Linnaeus, 1758
               3 Wickhead Angl., nom. inval.