Lygromma is a spider genus of Central and South America. There are species with eight, six (e.g. L. senoculatum, L. valencianum) and no eyes. The eyeless L. anops is endemic to the Galapagos, while the distantly related blind L. gertschi is found only on Jamaica.

Lygromma
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Prodidomidae
Genus: Lygromma
Simon, 1893[1]
Species

See text.

The Mexican genera Tivodrassus and Tricongius have been suggested as sister groups of Lygromma.

Species can reach a body length from about 2 to 4.6 mm.

Species

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As of August 2022, the genus contains 19 species:[1]

References

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  1. ^ a b "Gen. Lygromma Simon, 1893", World Spider Catalog, Natural History Museum Bern, retrieved 2019-06-06
  • Platnick, N.I. & Shadab, M.U. (1976). A revision of the spider genera Lygromma and Neozimiris (Araneae, Gnaphosidae). Amer. Mus. Novitates 2598:1-23. PDF (8Mb) - Abstract (with key to species)
  • Platnick, N.I. (1977). Two new species of Lygromma (Araneae: Gnaphosidae). J. Arachnol. 5:151-152. PDF (L. tuxtla, L. wygodzinskyi)
  • Shear, W.A. & Peck, S.B. (1992). Male of the blind cave gnaphosoid Lygromma anops (Araneae, Gnaphosoidea, Prodidomidae) from Galapagos Islands, Ecuador. Journal of Arachnology 20:69-71. PDF