Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Ecdysozoa Arthropoda (arthropods) Hexapoda Class Entognatha (springtails and relatives) Order Not assigned Superfamily Japygoidea Family Japygidae Genus Allojapyx Genus Burmjapyx Genus Catajapyx Genus Ctenjapyx Genus Eojapyx Genus Evalljapyx Genus Hecajapyx Genus Holjapyx Genus Indjapyx Genus Japyx Genus Metajapyx Genus Mixojapyx Genus Nanojapyx Genus Notojapyx Genus Occasjapyx