| Eurymorion | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Linyphiidae |
| Genus: | Eurymorion Millidge, 1993 [1] |
| Type species | |
| E. insigne (Millidge, 1991) | |
| Species | |
5, see text | |
Eurymorion is a genus of South American dwarf spiders that was first described by Norman I. Platnick in 1993. [2]
As of May 2019 [update] it contains five species: [1]
Ground spiders comprise Gnaphosidae, the seventh largest spider family with nearly 2,000 described species in over 100 genera distributed worldwide. There are 105 species known to central Europe, and common genera include Gnaphosa, Drassodes, Micaria, Cesonia, Zelotes and many others. They are closely related to Clubionidae. At present, no ground spiders are known to be seriously venomous to humans.
Oonopidae, also known as goblin spiders, is a family of spiders consisting of over 1,600 described species in about 113 genera worldwide, with total species diversity estimated at 2000 to 2500 species. The type genus of the family is OonopsKeyserling, 1835.
Linyphiidae is a family of very small spiders comprising 4667 described species in 618 genera worldwide. This makes Linyphiidae the second largest family of spiders after the Salticidae. The family is poorly known; new genera and species are still being discovered throughout the world. The newest such genus is Yuelushannus from China, formally described in May 2020. Because of the difficulty in identifying such tiny spiders, there are regular changes in taxonomy as species are combined or divided.
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.
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.
Apopyllus is a genus of ground spiders that was first described by Norman I. Platnick & M. U. Shadab in 1984.
Losdolobus is a genus of six-eyed spiders found in Brazil belonging to the family Orsolobidae.
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.
Labicymbium is a genus of South American dwarf spiders that was first described by Alfred Frank Millidge in 1991.
Fernandezina is a genus of South American palp-footed spiders that was first described by M. Birabén in 1951.
Otiothops is a genus of palp-footed spiders that was first described by W. S. MacLeay in 1839.
Asemostera is a genus of dwarf spiders that was first described by Eugène Louis Simon in 1898. Originally placed with the family Agelenidae, it was moved to the family Linyphiidae in 1965.
Myrmecomelix is a genus of South American dwarf spiders that was first described by Norman I. Platnick in 1993. As of May 2019 it contains only two species, both found in Ecuador and Peru: M. leucippus and M. pulcher.
Pseudotyphistes is a genus of South American sheet weavers that was first described by Paolo Marcello Brignoli in 1972.
Psilocymbium is a genus of South American sheet weavers that was first described by Alfred Frank Millidge in 1991.
Scolecura is a genus of South American sheet weavers that was first described by Alfred Frank Millidge in 1991.
Sphecozone is a genus of sheet weavers that was first described by Octavius Pickard-Cambridge in 1871.
Turbinellina is a monotypic genus of South American sheet weavers containing the single species, Turbinellina nigra. It was first described by Norman I. Platnick in 1993, and is only found in Argentina and Chile.
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