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See text. Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " Arachnids are a class ( Arachnida) of joint-legged Invertebrate Animals in the subphylum Chelicerata. Spiders are Predatory Invertebrate Animals that have two body segments, eight legs no chewing mouth parts and no wings The Araneomorphae are a Suborder of Spiders They are distinguished by having Chelicerae (fangs that point diagonally forward and cross in a pinching action The Prodidomidae are a Spider family with about 300 species in 31 genera Eugène Simon ( April 30, 1848 - November 17, 1924) was a French Arachnologist. This page lists all described species of the spider family Prodidomidae as of May 18 2008 |
Lygromma is a spider genus of Central and South America. South America is a Continent of the Americas, situated entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a There are species with eight, six (eg. , L. senoculatum, L. valencianum) and no eyes. The eyeless L. As with other animals there are some species of cave-dwelling spiders that have lost their ability to see anops is endemic to Galapagos, while the not closely related blind L. Endemism is the Ecological state of being unique to a place Endemic species are not naturally found elsewhere gertschi is found only on Jamaica. Jamaica (ˈdʒəˈmeɪkə} is an Island nation of the Greater Antilles, in length and as much as in width situated in the Caribbean Sea.
The Mexican genus Tivodrassus, and Tricongius have been suggested as sister groups of Lygromma.
Species reach a body length from about 2 to 4. 6 mm.
Species
- Lygromma anops Peck & Shear, 1987 — Galapagos Islands
- Lygromma chamberlini Gertsch, 1941 — Panama, Colombia, Cuba
- Lygromma domingo Platnick & Shadab, 1981 — Ecuador
- Lygromma dybasi Platnick & Shadab, 1976 — Costa Rica, Panama
- Lygromma gasnieri Brescovit & Höfer, 1993 — Brazil
- Lygromma gertschi Platnick & Shadab, 1976 — Jamaica
- Lygromma huberti Platnick & Shadab, 1976 — Venezuela, Brazil
- Lygromma kochalkai Platnick & Shadab, 1976 — Colombia
- Lygromma peckorum Platnick & Shadab, 1976 — Colombia
- Lygromma peruvianum Platnick & Shadab, 1976 — Peru
- Lygromma quindio Platnick & Shadab, 1976 — Colombia
- Lygromma senoculatum Simon, 1893 — Venezuela
- Lygromma simoni (Berland, 1913) — Ecuador
- Lygromma taruma Brescovit & Bonaldo, 1998 — Brazil
- Lygromma tuxtla Platnick, 1978 — Mexico
- Lygromma valencianum Simon, 1893 — Venezuela
- Lygromma volcan Platnick & Shadab, 1981 — Panama
- Lygromma wygodzinskyi Platnick, 1978 — Colombia
- Lygromma ybyguara Rheims & Brescovit, 2004 — Brazil
References
- Platnick, N. Lygromma anops is one of only three known eyeless spiders in the superfamily Gnaphosoidea, and one of only two known Troglobites (cave species 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
- Platnick, Norman I. (2008): The world spider catalog, version 8. 5. American Museum of Natural History.
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