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Homalonychidae: Wikis


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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Arachnida
Order: Araneae
Suborder: Araneomorphae
Section: Entelegynae
Superfamily: incertae sedis
Family: Homalonychidae
Simon, 1893

see text

1 genus, 3 species
Homalonychus with eggsac

The Homalonychidae are a very small spider family with three described species in one genus.

They do not build webs and are typically found under rocks or dead vegetation. At least the two North American species live in deserts, to which they are adapted by color and specialized setae which allow them to attach sand and fine soil to themselves. They also partially bury themselves.[1]



Two species are found in the southern USA and Mexico. H. theologus is mostly found west of the Colorado River, H. selenopoides mostly to the east, with some populations in Death Valley and near Mercury, Nevada.

In 1991 a species from India was described; however, according to Platnick[2], this third species was misplaced in this genus.


  • Homalonychus raghavai Patel & Reddy, 1991 (India)
  • Homalonychus selenopoides Marx, 1891 (USA, Mexico)
  • Homalonychus theologus Chamberlin, 1924 (USA, Mexico)


  1. ^ Sarah C. Crews: Homalonychus in the Desert Southwest
  2. ^ Platnick, N.I. (2006). World Spider Catalog 7.0: Homalonychidae
  • Marx, G. (1891). A contribution to the knowledge of North American spiders. Proc. ent. Soc. Wash. 2:28-37.
  • Chamberlin, R.V. (1924). The spider fauna of the shores and islands of the Gulf of California. Proc. Calif. Acad. Sci. 12:561-694.
  • Roth, V.D. (1984). The spider family Homalonychidae (Arachnida, Araneae). American Museum novitates 2790 PDF
  • Patel, B.H. & Reddy, T.S. (1991). A rare new species of Homalonychus Marx (Araneae: Homalonychidae) from coastal Andhra Pradesh, India. Rec. zool. Surv. India 89:205-207.
  • Vetter, R.S. & Cokendolpher, J.C. (2000). Homalonychus theologus (Araneae, Homalonychidae): Description of eggsacs and a possible defensive posture. The Journal of Arachnology 28:361-363 PDF
  • Crews, S.C. & Hedin, M.C. (2006). Studies of morphological and molecular phylogenetic divergence inspiders (Araneae: Homalonychus) from the American southwest including divergence along the Baja Peninsula. Molecular Phylogenetics and Evolution 38:470-487. PDF
  • Platnick, Norman I. (2009): The world spider catalog, version 10.0. American Museum of Natural History.

External links



Up to date as of January 23, 2010

From Wikispecies


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Phylum: Arthropoda
Subphylum: Chelicerata
Classis: Arachnida
Ordo: Araneae
Subordo: Opisthothelae
Infraordo: Araneomorphae
Taxon: Neocribellatae
Series: Entelegynae
Familia: Homalonychidae
Genus: Homalonychus


Homalonychidae Simon, 1893


  • Roth, V. D. 1984. The spider family Homalonychidae (Arachnida, Araneae). American Museum novitates 2790: 1-11.
  • Platnick, N. I. 2009. The World Spider Catalog, version 9.5. American Museum of Natural History. [1]
Wikimedia Commons For more multimedia, look at Homalonychidae on Wikimedia Commons.


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