| Larca Temporal range: | |
|---|---|
| | |
| Larca boulderica | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Pseudoscorpiones |
| Family: | Larcidae Harvey, 1992 |
| Genus: | Larca J. C. Chamberlin, 1930 |
| Synonyms [1] | |
Genus synonymy
| |
Larca is a genus of pseudoscorpions. It is the only genus in the family Larcidae. They are found in North America and Europe. [2]
According to Pseudoscorpions of the World (version 3.0), Larcidae consists of the following species: [2]
The following species have been placed in the family since then: [3]
In 2014, Harvey and Wynne placed the genus Archeolarca in synonymy with Larca. [3]
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.
Anisoditha is a genus of pseudoscorpions in the family Chthoniidae. There is at least one described species in Anisoditha, A. curvidigitata.
Tridenchthonius is a genus of pseudoscorpions in the family Chthoniidae. There are about 16 described species in Tridenchthonius.

Garypus is a genus of pseudoscorpions in the family Garypidae. It was described by German arachnologist Ludwig Carl Christian Koch in 1873. The species are found mainly in tropical and subtropical areas, where they occupy supralittoral and littoral zones in seashore habitats.
Syarinidae is a family of pseudoscorpions in the order Pseudoscorpiones. There are at least 20 genera and 110 described species in Syarinidae.
Hesperochernes is a genus of pseudoscorpions in the family of Chernetidae.
Chitrella is a genus of pseudoscorpions in the family of Syarinidae.
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.
Withiidae is a family of pseudoscorpions, first described by Joseph Conrad Chamberlin in 1931.
Austrochthonius is a genus of pseudoscorpions in the family Chthoniidae. It was described in 1929 by American arachnologist Joseph Conrad Chamberlin.
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.
Pseudotyrannochthonius is a genus of pseudoscorpions in the family Pseudotyrannochthoniidae. It was described in 1930 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.
Anagarypus is a genus of pseudoscorpions in the Garypidae family. It was described in 1930 by American arachnologist Joseph Conrad Chamberlin. Species in the genus are found on islands along the coast of northern Australia and in the Indian Ocean.
Americhernes is a genus of pseudoscorpions in the Chernetidae family. It was described in 1976 by American arachnologist William Muchmore.
Paraliochthonius is a genus of pseudoscorpions in the Chthoniidae family. It was described in 1956 by Austrian arachnologist Max Beier.
Larca bosselaersi is a species of pseudoscorpion of the family Larcidae.
Larca boulderica is a species of pseudoscorpion of the family Larcidae.
Parobisium is a genus of pseudoscorpions in the family Neobisiidae.