| Withiidae | |
|---|---|
 | |
| Withius piger | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Pseudoscorpiones |
| Family: | Withiidae Chamberlin, 1931 |
Withiidae is a family of pseudoscorpions, first described by Joseph Conrad Chamberlin in 1931. [1]
As of October 2023 [update] , the World Pseudoscorpiones Catalog accepts the following thirty-seven genera: [2]
Pseudoscorpions, also known as false scorpions or book scorpions, are small, scorpion-like arachnids belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida.
Feaella is a genus of pseudoscorpions in the family Feaellidae, first described by Edvard Ellingsen in 1906.
Menthidae is a family of pseudoscorpions, first described by Joseph Conrad Chamberlin in 1930.
Chernetidae is a family of pseudoscorpions, first described by Anton Menge in 1855.
Olpiidae is a family of pseudoscorpions in the superfamily Garypoidea. It contains the following genera:
Garypinidae is a family of pseudoscorpions, first described by Eugen von Daday in 1889.
Atemnidae is a family of pseudoscorpions, first described by Kyukichi Kishida in 1929.
Neobisiidae is a family of pseudoscorpions distributed throughout Africa, the Americas and Eurasia and consist of 748 species in 34 genera. Some species live in caves while some are surface-dwelling.
Chthonius is a genus of pseudoscorpions, first described by Carl Ludwig Koch in 1843.
Cheliferidae is a family of pseudoscorpions in the order Pseudoscorpiones, first described by Antoine Risso in 1827.
Ideoroncidae is a family of pseudoscorpions belonging to the order Pseudoscorpiones. Members of the family are known from Asia, Africa, western North America and South America.
Lagynochthonius is a genus of pseudoscorpions in the family Chthoniidae. It was described in 1951 by Austrian arachnologist Max Beier.
Tyrannochthonius is a genus of pseudoscorpions in the family Chthoniidae. It was described in 1929 by American arachnologist Joseph Conrad Chamberlin.
Ideoblothrus is a genus of pseudoscorpions in the Syarinidae family. It was described in 1892 by Italian naturalist Luigi Balzan as a subgenus of Ideobisium.
Dactylochelifer is a genus of pseudoscorpions in the family Cheliferidae, first described by Max Beier in 1932.
Geogarypus is a genus of pseudoscorpions in the Geogarypidae family. It was described in 1930 by American arachnologist Joseph Conrad Chamberlin. The genus has a cosmopolitan distribution.
Withius is a genus of pseudoscorpions in the Withiidae family. It was described in 1911 by English zoologist Harry Wallis Kew. The generic name Withius honours Danish arachnologist Carl Johannes With (1877–1923).
Ephippiochthonius is a genus of pseudoscorpions in the Chthoniidae family. It was described in 1930 by Austrian arachnologist Max Beier. First introduced as a subgenus of Chthonius by Carl Ludwig Koch in 1843, it was subsequently elevated to genus level by Juan Antonio Zaragoza in 2017.
Paraliochthonius is a genus of pseudoscorpions in the Chthoniidae family. It was described in 1956 by Austrian arachnologist Max Beier.