Chthonioidea
Encyclopedia
The Chthonioidea are a superfamily of pseudoscorpion
Pseudoscorpion
A pseudoscorpion, , is an arachnid belonging to the order Pseudoscorpionida, also known as Pseudoscorpiones or Chelonethida....

s. The superfamily contains two families:
  • Tridenchthoniidae
    Tridenchthoniidae
    Tridenchthoniidae is a family of pseudoscorpions within the superfamily Chthonioidea. The family comprises one fossil and 15 recent genera, containing 70 species:* Anaulacodithella angustimana Beier, 1955 — southern Africa...

     — worldwide (c. 17 genera, 70 species)
  • Chthoniidae
    Chthoniidae
    Chthoniidae is a family of pseudoscorpions within the superfamily Chthonioidea. The family contains more than 600 species in about 30 genera. Three fossil species are known from Baltic and Dominican amber.-Genera:...

      — worldwide (c. 30 genera, 600 species)


Some authors consider the genus Lechytia
Lechytia
Lechytiidae is a family of pseudoscorpions within the superfamily Chthonioidea. The single genus Lechytia contains 22 described species from many parts of the world.-Species:* Lechytia anatolica Beier, 1965 — Turkey...

to be in its own family Lechytiidae, rather than to reside in Chthoniidae. The fossil species Dracochela deprehendor from the Devonian
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...

 is grouped in the family Dacochelidae.
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