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.
Cryptocheiridium is a genus of pseudoscorpions in the Cheiridiidae family. It was described in 1931 by American arachnologist Joseph Conrad Chamberlin.
Nesidiochernes is a genus of pseudoscorpions in the Chernetidae family. It was described in 1957 by Austrian arachnologist Max Beier.
Synsphyronus is a genus of pseudoscorpions in the Garypidae family. It was described in 1930 by American arachnologist Joseph Conrad Chamberlin. Its distribution is mainly in Australia, but also extends to New Zealand and New Caledonia.
Pseudotyrannochthoniidae is a family of pseudoscorpions, belonging to the superfamily Chthonioidea. It represents the most basal and primitive group of living pseudoscorpions, with less than 100 species in 6 genera. Living members of the group have a strongly disjunct distribution, likely reflecting ancient vicariance, occurring in Australia, Asia, Southern Africa and Madagascar, Western North America and southern South America. Fossils species are known from the Eocene Baltic and Bitterfeld amber, which represent members of extant Asian genera.
Austrochthonius is a genus of pseudoscorpions in the family Chthoniidae. It was described in 1929 by American arachnologist Joseph Conrad Chamberlin.
Pseudotyrannochthonius tasmanicus is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1970 by Australian zoologist Alan Dartnall.
Pseudotyrannochthonius typhlus is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1970 by Australian zoologist Alan Dartnall.
Pseudotyrannochthonius australiensis is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1966 by Austrian arachnologist Max Beier.
Pseudotyrannochthonius bornemisszai is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1966 by Austrian arachnologist Max Beier.
Pseudotyrannochthonius gigas is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1969 by Austrian arachnologist Max Beier.
Pseudotyrannochthonius queenslandicus is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1969 by Austrian arachnologist Max Beier.
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.
Megachernes is a genus of pseudoscorpions in the Chernetidae family. It was described in 1932 by Austrian arachnologist Max Beier.
Solinus is a genus of pseudoscorpions in the Garypinidae family. It was described in 1930 by American arachnologist Joseph Conrad Chamberlin.
Olpium is a genus of pseudoscorpions in the Olpiidae family. It was described in 1873 by German arachnologist Ludwig Carl Christian Koch.
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.
