| Tachygyna | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Linyphiidae |
| Genus: | Tachygyna Chamberlin & Ivie, 1939 [1] |
| Type species | |
| T. vancouverana Chamberlin & Ivie, 1939 | |
| Species | |
15, see text | |
Tachygyna is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939. [2]
As of May 2019 [update] it contains fifteen species, all found in North America: [1]
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.
Mermessus is a genus of spiders in the family Linyphiidae. It was first described in 1899 by O. Pickard-Cambridge. As of 2017, it contains 81 species.
Walckenaeria is a genus of dwarf spiders that was first described by John Blackwall in 1833. It is a senior synonym of Paragonatium, as well as Wideria, Cornicularia, Prosopotheca, Tigellinus, and Trachynella.
Erigone is a genus of dwarf spiders that was first described by Jean Victoire Audouin in 1826. They are carnivorous, preying on small insects such as psylla and flies. One of the distinctive characters for this genus is the presence of teeth bordering the carapace.
Agyneta is a genus of dwarf spiders that was first described by J. E. Hull in 1911.
Scotinotylus is a genus of sheet weavers that was first described by Eugène Louis Simon in 1884.
Spirembolus is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin in 1920.
Ceraticelus is a genus of dwarf spiders that was first described by Eugène Louis Simon in 1884.
Ceratinopsis is a genus of dwarf spiders that was first described by James Henry Emerton in 1882.
Diplocentria is a genus of dwarf spiders that was first described by J. E. Hull in 1911.
Disembolus is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1933.
Eulaira is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1933.
Floricomus is a genus of North American dwarf spiders that was first described by C. R. Crosby & S. C. Bishop in 1925.
Idionella is a genus of North American dwarf spiders that was first described by Nathan Banks in 1893.
Microneta is a genus of dwarf spiders that was first described by Anton Menge in 1869.
Sciastes is a genus of sheet weavers that was first described by S. C. Bishop & C. R. Crosby in 1938.
Tapinocyba is a genus of sheet weavers that was first described by Eugène Louis Simon in 1884.