Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Ecdysozoa Arthropoda (arthropods) Hexapoda Class Insecta (insects) Order Siphonaptera Superfamily Pulicoidea Family Pulicidae Genus Pulex Species Pulex alvarezi (blokha) Species Pulex echidnophagoides (blokha) Species Pulex irritans (human flea) Species Pulex larimerius (blokha) Species Pulex porcinus (blokha) Species Pulex simulans (blokha) Species Pulex sinoculus (blokha)
