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
         Superphylum Articulata Cuvier see Supraphylum Articulata Cuvier
           Phylum Arthropoda Siebold, 1848 - arthropods
             Subphylum Tracheata
               Class Insecta Linnaeus, 1758 - insects
                 Subclass Pterygota Schott & Endl.
                   Superorder Mecopteria
                     Order Aphaniptera Kirby, 1813
                       Family Pulicidae
                         Genus Pulex Linnaeus, 1758
                           Pulex irritans Linnaeus, 1758 - human flea