The japygids are a taxon of hexapods, of the order Diplura, commonly known as forcepstails.
Lithobius is a large genus of centipedes in the family Lithobiidae, commonly called stone centipedes, common centipedes or brown centipedes.
The Machilidae are a family of insects belonging to the order Archaeognatha. There are around 250 described species worldwide. These insects are wingless, elongated and more or less cylindrical with a distinctive humped thorax and covered with tiny, close-fitting scales. The colour is usually grey or brown, sometimes intricately patterned. There are three "tails" at the rear of the abdomen: two cerci and a long central epiproct. They have large compound eyes, often meeting at a central point. They resemble the silverfish and the firebrat, which are from a different order, Zygentoma.
Japyx is a genus of diplurans belonging to the family Japygidae. These eyeless, predatory hexapods largely shun direct sunlight, remaining under stones and among detritus, where they use pincer-like cerci to catch their tiny prey.
Procyliosoma is a genus of pill millipede found in Australia and New Zealand. Formerly classified in the family Sphaerotheriidae, in 2009 Procyliosoma was reclassified as the only genus in the family Procyliosomatidae.
Trichoniscidae are a family of isopods (woodlice), including the most abundant British woodlouse, Trichoniscus pusillus.
Polydesmida is the largest order of millipedes, containing approximately 3,500 species, including all the millipedes reported to produce hydrogen cyanide (HCN).
Metajapyx is a genus of diplurans in the family Japygidae.
Julidae is a family of millipedes in the order Julida, containing more than 600 species in around 20 genera. Its members are largely confined to the Western Palaearctic, with only a few species extending into the Oriental and Afrotropical realms. They are united by a characteristic form of the mouthparts, and are classified in the superfamily Juloidea of the order Julida, alongside the families Trichoblaniulidae, Rhopaloiulidae and Trichonemasomatidae.
Polyxenus is a genus of millipede in the order Polyxenida, containing at least 30 valid species as of 2012.
Chordeumatida is a large order of millipedes containing some 1200 species with a nearly worldwide distribution. They possess around 30 body segments and reach about 25 mm (0.98 in) in length.
Andrognathidae is a family of millipede in the order Platydesmida. There are about 17 genera and more than 30 described species in Andrognathidae.
Ophyiulus is a genus of millipedes in the family Julidae. There are more than 30 described species in Ophyiulus.
Trigoniulus is a genus of millipede in the family Trigoniulidae. There are at least 90 described species in Trigoniulus.
Metopidiotrichidae is a family of millipedes in the order Chordeumatida. There are about 9 genera and at least 70 described species in Metopidiotrichidae.
Chondromorpha is a genus of millipedes belonging to the family Paradoxosomatidae.
Strongylosoma is a genus of millipedes belonging to the family Paradoxosomatidae.
Oniscodesmidae is a family of millipedes belonging to the order Polydesmida.
Haaseidae is a family of millipedes belonging to the order Chordeumatida.
Opisthocheiridae is a family of millipedes belonging to the order Chordeumatida.
