Centipedes are predatory arthropods belonging to the class Chilopoda of the subphylum Myriapoda, an arthropod group which includes millipedes and other multi-legged animals. Centipedes are elongated segmented (metameric) creatures with one pair of legs per body segment. All centipedes are venomous and can inflict painful stings, injecting their venom through pincer-like appendages known as forcipules or toxicognaths, which are actually modified legs instead of fangs. Despite the name, no species of centipede has exactly 100 legs; the number of pairs of legs is an odd number that ranges from 15 pairs to 191 pairs.
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Cryptops hortensis, the common cryptops, is a species of centipede in the family Cryptopidae, genus Cryptops.
Geophilidae is a family of soil centipedes in the superfamily Geophiloidea and the order Geophilomorpha. In 2014, a phylogenetic analysis based on morphological and molecular data found this family to be polyphyletic. To avoid this polyphyly, authorities dismissed the families Aphilodontidae, Dignathodontidae, Linotaeniidae, and Macronicophilidae, which are now deemed to be junior synonyms for Geophilidae. Authorities also moved some genera from Geophilidae to form the family Zelanophildae in order to avoid the polyphyly of the family Geophilidae. The family Geophilidae now includes more than 650 species in more than 120 genera. This family has a cosmopolitan distribution, with species found almost worldwide.
Callipodida is an order of millipedes containing around 130 species, many characterized by crests or ridges.
Eupolybothrus cavernicolus is a species of centipede so far only found in two caves near the village of Kistanje, in Šibenik-Knin County, Croatia.
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Geophilus hadesi is a species of soil centipede in the family Geophilidae. This centipede is a troglobite, spending its entire life cycle in a cave environment. This species and Geophilus persephones are the only two troglobites known in the order Geophilomorpha. The species G. hadesi is named after Hades, god of the underworld in Greek mythology and the husband of Persephone, the namesake of the first troglobite discovered among the soil centipedes. The species G. hadesi has been observed in a cave as far as 1,100 meters below the surface, the deepest underground that any centipede has ever been recorded.
Dendrothereua is a genus of house centipedes in the family Scutigeridae. There are at least three described species in Dendrothereua, found in the southern United States and the Neotropics.
Geophilus is a large, heterogeneous genus of soil centipedes in the family Geophilidae largely considered to be synonymous with Brachygeophilus. The generic name first appeared in Brewster's Edinburgh Encyclopaedia in 1814 as Geophilus electricus. This genus has a Holarctic distribution.
Hessebius, is a genus of centipedes belonging to the family Lithobiidae. The genus comprised 17 species.
Tygarrup is a genus of centipedes in the family Mecistocephalidae, found mainly in southeast Asia and from the Seychelles to Hawaii. Although species in this genus can have either 43 or 45 leg-bearing segments, most of these species have 45 leg pairs. An undescribed Tygarrup species found in the Andaman Islands has 43 leg pairs. Centipedes in this genus are sometimes melanised in patches, and sternal glands are present the males of most species. These centipedes range from 2 cm to 6 cm in length. Tygarrup javanicus is one of the smallest of the mecistocephalid species and has become an invasive in greenhouses in Europe.
Geophilus persephones is a species of soil centipede in the family Geophilidae discovered in 1999. This species is named after Persephone, the queen of the underworld in Greek mythology, and found in caves in the Gouffre de la Pierre Saint-Martin. It has elongated antennae and legs as well as abundant sensory setae, and like other geophilomorhps it lacks sight, has a flattened trunk, and is well adapted to underground life. This species was the first troglomorphic geophilomorph ever discovered and one of the only two in existence along with Geophilus hadesi. Known from a single male specimen measuring 16.2 mm in length, G. persephones has only 29 pairs of legs, one of only two species in the Geophilidae family to feature so few leg pairs.
Alipes is a genus of bark centipedes in the family Scolopendridae, found in Africa. Alipes get their unique name from their leaf-like legs.
Rhysida is a large genus of Scolopendromorph centipedes in the subfamily Otostigminae. It is the second largest genus in the subfamily Otostigminae, with species found in the Neotropics, Indo-Malaya, and Africa. It shares some morphological characteristics with the genus Alluropus, and its phylogeny in the subfamily Otostigminae is somewhat uncertain.
Australobius tenuiunguis is a species of centipede in the Lithobiidae family. It was described in 1980 by British myriapodologist Edward Holt Eason.
Escaryus is a genus of soil centipedes in the family Schendylidae. These centipedes are notable as schendylids adapted to colder temperatures and restricted to cool climates and high latitudes. With more than 30 species, this genus is easily the largest group of such centipedes in the family Schendylidae. Most schendylids are limited to tropical or subtropical regions.
Arctogeophilus inopinatus is a species of soil centipede in the family Geophildae. This centipede is found in western and central France and may also be present in Luxembourg. This species is small, measuring only 18 mm in length, and can have either 39 or 41 pairs of legs.
Escaryus kirgizicus is a species of soil centipede in the family Schendylidae. As the species name suggests, this centipede is found in Kyrgyzstan. This species is known only from high mountains and is notable for being found at one of the highest altitudes recorded for any centipede in the order Geophilomorpha in Central Asia.
