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| Like all species in the family Hypochilidae, ''Hypochilus thorelli'' has four ]s, like ] and ] spiders and unlike almost all other ] spiders. The outlines of the lungs are visible on the under surface of the abdomen.<ref name=Marx88/> | Like all species in the family Hypochilidae, ''Hypochilus thorelli'' has four ]s, like ] and ] spiders and unlike almost all other ] spiders. The outlines of the lungs are visible on the under surface of the abdomen.<ref name=Marx88/> | ||
| ==Taxonomy== | |||
| ''Hypochilus thorelli'' was first described by ] in 1888, the genus ''Hypochilus'' being erected for this purpose.<ref name=WSC_s13261/> The genus name is derived from the ] ''hypo'', below, and ''cheilos'', lip, referring to the position of the ]. The species name honours ].<ref name=Marx88/> The unique combination of features – four book lungs like mygalomorph spiders but a cribellum like araneomorph spiders – led to Marx placing it in a new family, Hypochilidae.<ref name=Marx88/> | |||
| ==References== | ==References== | ||
Revision as of 21:27, 11 October 2015
| Hypochilus thorelli | |
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| Feeding on a katydid | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Hypochilidae |
| Genus: | Hypochilus |
| Species: | H. thorelli |
| Binomial name | |
| Hypochilus thorelli Marx, 1888 | |
Hypochilus thorelli is a species of spider in the family Hypochilidae.
Description
The female has a cephalothorax about 5.5 mm long and an abdomen (opisthosoma) about 9 mm long. The male is smaller, with a cephalothorax of about 4 mm and an abdomen of about 6 mm. Both sexes have very long legs: the first leg of the the female is about 63 mm long; the male has longer and thinner legs, the first leg being about 80 mm long. The cephalothorax of both sexes is light yellowish grey, with a darker star shape underneath. The upper surface of the abdomen is greyish with irregular black lines and marks; the under surface is whiter. There are eight eyes; two clusters of three each on either side and two more central eyes. Both a cribellum and a calamistrum are present.
Like all species in the family Hypochilidae, Hypochilus thorelli has four book lungs, like mesothele and mygalomorph spiders and unlike almost all other araneomorph spiders. The outlines of the lungs are visible on the under surface of the abdomen.
Taxonomy
Hypochilus thorelli was first described by George Marx in 1888, the genus Hypochilus being erected for this purpose. The genus name is derived from the Greek hypo, below, and cheilos, lip, referring to the position of the labium. The species name honours Tamerlan Thorell. The unique combination of features – four book lungs like mygalomorph spiders but a cribellum like araneomorph spiders – led to Marx placing it in a new family, Hypochilidae.
References
- ^ "Taxon details Hypochilus thorelli Marx, 1888", World Spider Catalog, Natural History Museum Bern, retrieved 2015-10-11
- ^ Marx, G. (1888), "On a new and interesting spider", Entomologica Americana, 4: 160–162
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