| Oculocornia | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Linyphiidae |
| Genus: | Oculocornia Oliger, 1985 [1] |
| Species: | O. orientalis |
| Binomial name | |
| Oculocornia orientalis Oliger, 1985 | |
Oculocornia is a monotypic genus of Asian dwarf spiders containing the single species, Oculocornia orientalis. It was first described by T. I. Oliger in 1985, [2] and has only been found in Russia. [1]
Velvet spiders are a small group of spiders almost entirely limited to the Old World, with exception of a few species known from Brazil. The characteristics of this family of spiders are that they are entelegyne, eight-eyed araneomorph spiders that build unkempt webs. They are cribellate. Some species are nearly eusocial, lacking only a specialized caste system and a queen. They cooperate in brood rearing, unlike most other spiders except for some African agelenid spiders in the genus Agelena and a few others.
Uroballus is a spider genus of the jumping spider family, Salticidae. It includes five or six accepted species.
Microstigmatidae is a small family of spiders with about 25 described species in eight genera. They are small ground-dwelling and free-living spiders that make little use of silk.
Barychelidae, also known as brushed trapdoor spiders, is a spider family with about 300 species in 42 genera. Most spiders in this family build trapdoor burrows. For example, the 20 millimetres (0.79 in) long Sipalolasma builds its burrow in rotted wood, with a hinged trapdoor at each end. The 10 millimetres (0.39 in) long Idioctis builds its burrow approximately 5 centimetres (2.0 in) deep, just below the high tide level, sealing the opening with a thin trapdoor.
Gradungulidae, also known as large-clawed spiders, is a spider family endemic to Australia and New Zealand. They are medium to large-sized haplogyne spiders with three claws and two pairs of book-lungs similar to Mygalomorphae. Some species build extensive webs with an upper retreat tangle and connecting threads to scaffolding. This supports the ladder-like catching platform that is glued to the ground. Progradungula, a large spider with long legs like Hickmania, and Macrogradungula are the only cribellate genera of the family.
Periegops is a genus of spiders with six eyes instead of the usual eight. It is the only genus in its family (Periegopidae) and has three described species. It was long considered to be members of Sicariidae or Segestriidae until Raymond Forster elevated them to the family level in 1995.
Orsolobidae is a six-eyed spider family with about 180 described species in thirty genera. It was first described by J. A. L. Cooke in 1965, and was raised to family status from "Dysderidae" in 1985.
Agelena is a genus of agelenid spiders first described by Charles Athanase Walckenaer in 1805. Sometimes referred to as Eurasian grass spiders, they trap their prey by weaving entangling non-sticky funnel webs. They are limited to the Old world, occurring from Africa to Japan.
Atypus, also called purseweb spiders, is a genus of atypical tarantulas first described by Pierre André Latreille in 1804. It occurs in Eurasia, with one species reaching into North Africa, and one species in the USA. Only three of the described species occur in Europe: A. piceus, A. affinis, and A. muralis.
Wiltonia is a genus of Polynesian araneomorph spiders in the family Orsolobidae, and was first described by Raymond Robert Forster & Norman I. Platnick in 1985.
Ceratinella is a genus of dwarf spiders that was first described by James Henry Emerton in 1882. They are very similar to both Ceraticelus and Idionella, and the taxonomy of these spiders may change.
Caponiidae is a family of ecribellate haplogyne spiders that are unusual in a number of ways. They differ from other spiders in lacking book lungs and having the posterior median spinnerets anteriorly displaced to form a transverse row with the anterior lateral spinnerets. Most species have only two eyes, which is also unusual among spiders. A few species of Caponiidae variously have four, six or eight eyes. In some species the number of eyes will increase when the spiderling changes its skin as it grows towards adulthood.
The Euctenizidae are a family of mygalomorph spiders. They are now considered to be more closely related to Idiopidae.
Hypsosinga is a genus of orb-weaver spiders first described by Anton Ausserer in 1871. The genus name is derived from the Greek "hypso", meaning "high", referring to the higher clypeus than those of the genus Singa.
Helsdingenia is a genus of dwarf spiders that was first described by Michael I. Saaristo & A. V. Tanasevitch in 2003. The name is a reference to Dr. P. J van Helsdingen.
Labullinyphia is a monotypic genus of Asian dwarf spiders containing the single species, Labullinyphia tersa. It was first described by P. J. van Helsdingen in 1985, and has only been found in Sri Lanka.
Gippsicola is a genus of Australian tube dwelling spiders that was first described by Henry Roughton Hogg in 1900. It is no longer considered a junior synonym of Segestria due to anatomical differences in the pedipalps of males and the receptaculum in females.
Anopsolobus is a monotypic genus of Polynesian araneomorph spiders in the family Orsolobidae containing the single species, Anopsolobus subterraneus. It was first described by Raymond Robert Forster & Norman I. Platnick in 1985, and is only known from Nelson in New Zealand.
Hickmanolobus is a genus of Australian araneomorph spiders in the family Orsolobidae, and was first described by Raymond Robert Forster & Norman I. Platnick in 1985.
Pounamuella is a genus of Polynesian araneomorph spiders in the family Orsolobidae, and was first described by Raymond Robert Forster & Norman I. Platnick in 1985.