Kingdom [Animalia] Linnaeus, 1758 - animals
  
 Subkingdom Metazoa Haeckel, 1874
 see Kingdom Animalia Linnaeus, 1758
    
 Division Eumetazoa Butschli, 1910
 see Subkingdom Eumetazoa Butschli, 1910
      
 Subdivision Bilateralia
        
 Phylum Chordata Bateson, 1885 - chordates
          
 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801
            
 Class Aves Linnaeus, 1758 - birds
 see Subclass Aves Linnaeus, 1758
              
 Subclass Neornithes Gadow, 1893
 see Clade Neornithes Gadow, 1893
                
 Order Strigiformes Wagler, 1830 - owls
                  
 Family Strigidae Vigors, 1825 - owls
                    
 Subfamily Buboninae Vigors, 1825 - normal owls
 see Subfamily Striginae Vigors, 1825
                      
 Genus Glaucidium Boie, 1826
                        
 Glaucidium gnoma Wagler, 1832 - mountain pygmy-owl