living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
        
 Phylum Arthropoda Siebold, 1848 - arthropods
          
 Subphylum Uniramia Snodgrass, 1935
 see Phylum Arthropoda Siebold, 1848
            
 Class Insecta Linnaeus, 1758 - insects
              
 Subclass Pterygota Lang, 1888 - winged insects
 see Infraclass Pterygota Lang, 1888
                
 Infraclass Neoptera Martynov, 1923 - modern, wing-folding insects
 see Division Neoptera Martynov, 1923
                  
 Superorder Orthopterodea
 see Order Orthoptera Olivier, 1789
                    
 01 Order †Protorthoptera Handlirsch, 1906
                    
 02 Order Blattaria Latreille, 1810
 see Order Blattodea Brunner von Wattenwyl, 1882
                    
 03 Order Mantodea Burmeister, 1838 - mantids and praying mantids
                    
 04 Order Isoptera Brulle, 1832 - termites
 see Order Blattodea Brunner von Wattenwyl, 1882
                    
 05 Order Grylloblattaria
 see Order Grylloblattodea Brues & Melander, 1932
                    
 06 Order Orthoptera Olivier, 1789 - locusts, katydids, crickets, grasshoppers
                    
 08 Order Phasmatoptera Jeannel, 1947
 see Order Phasmatodea Jacobsen & Bianchi, 1902
                    
 08 Order Phasmoptera
 see Order Phasmatodea Jacobsen & Bianchi, 1902
                    
 09 Order Dermaptera De Geer, 1773 - earwigs
                    
 10 Order Embiidina
 see Order Embioptera Lameere, 1900
                    
 11 Order Plecoptera Latreille, 1802 - stone flies
                    
 12 Order Zoraptera Silvestri, 1913 - zorapterans