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.
The Feaellidae are a family of pseudoscorpions with the single genus Feaella.
The Pseudogarypidae are a small family of pseudoscorpions. Most recent species are found in North America, while one species is endemic to Tasmania.
Joseph Conrad Chamberlin was an American arachnologist who studied mainly pseudoscorpions. A native of Utah, he studied primarily at Stanford University while working most of his career in Oregon for the U.S. Department of Agriculture. Several species are named in his honor.
The Menthidae are a small family of pseudoscorpions that are nevertheless spread around the world. While Menthus is found from Mexico to California, Oligomenthus lives in South America. The monotypic genera Paramenthus and Thenmus live in Israel and Australia, respectively.
Chthoniidae is a family of pseudoscorpions within the superfamily Chthonioidea. The family contains more than 600 species in about 30 genera. Fossil species are known from Baltic, Dominican, and Burmese amber. Chthoniidae now includes the former families Tridenchthoniidae, and Lechytiidae which has been demoted to subfamilies.
Ditha is a genus of pseudoscorpions in the family Tridenchthoniidae. There are about 14 described species in Ditha.
The Chernetidae are a family of pseudoscorpions with over 650 described species and 110 genera.
Olpiidae is a family of pseudoscorpions in the superfamily Garypoidea. It contains the following genera:
Horus is a genus of pseudoscorpions in the family Olpiidae, containing the following species:
Atemnidae is a family of pseudoscorpions.
Dinocheirus is a genus of pseudoscorpions in the family Chernetidae.
Chthonius is a genus of pseudoscorpions, first described by Carl Ludwig Koch in 1843.
Synsphyronus is a genus of pseudoscorpions in the family Garypidae, which has been found in Australia, New Zealand and New Caledonia.
Garypidae is a family of pseudoscorpions.
Cheliferidae is a family of pseudoscorpions in the order Pseudoscorpiones. There are at least 60 genera and 270 described species in Cheliferidae.
Hesperochernes is a genus of pseudoscorpions in the family of Chernetidae.
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.
Parachernes is a genus of pseudoscorpions in the subfamily Chernetinae, first described by Joseph Conrad Chamberlin in 1931.
