# Chthonioidea

> superfamily of arachnids

**Wikidata**: [Q2967507](https://www.wikidata.org/wiki/Q2967507)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chthonioidea)  
**Source**: https://4ort.xyz/entity/chthonioidea


## References

1. Integrated Taxonomic Information System. 2007
2. Order Pseudoscorpiones de Geer, 1778
3. Freebase Data Dumps. 2013
4. Taxonomy database of the U.S. National Center for Biotechnology Information
5. Encyclopedia of Life
6. Fauna Europaea
7. UMLS 2023
8. National Biodiversity Network
9. Open Tree of Life reference taxonomy version 3.6