| Masoncus | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Linyphiidae |
| Genus: | Masoncus Chamberlin, 1949 [1] |
| Type species | |
| M. arienus Chamberlin, 1949 | |
| Species | |
4, see text | |
Masoncus is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin in 1949. [2]
As of May 2019 [update] it contains four species, found in Canada and the United States: [1]
Ralph Vary Chamberlin was an American biologist, ethnographer, and historian from Salt Lake City, Utah. He was a faculty member of the University of Utah for over 25 years, where he helped establish the School of Medicine and served as its first dean, and later became head of the zoology department. He also taught at Brigham Young University and the University of Pennsylvania, and worked for over a decade at the Museum of Comparative Zoology at Harvard University, where he described species from around the world.
Callobius is a genus of tangled nest spiders first described by R. V. Chamberlin in 1947.
Amaurobius is a genus of tangled nest spiders that was first described by Carl Ludwig Koch in 1837.
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.
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.
Zanomys is a genus of North American tangled nest spiders first described by R. V. Chamberlin in 1948.
Cybaeota is a genus of North American araneomorph spiders in the family Cybaeidae, and was first described by R. V. Chamberlin & Wilton Ivie in 1933. It was moved to the Cybaeidae in 1967.
Tricholathys is a genus of cribellate araneomorph spiders in the family Dictynidae, and was first described by R. V. Chamberlin & Wilton Ivie in 1935.
Coloncus is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin in 1949.
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.
Linyphantes is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1942.
Sciastes is a genus of sheet weavers that was first described by S. C. Bishop & C. R. Crosby in 1938.
Wubana is a genus of American sheet weavers that was first described by Ralph Vary Chamberlin in 1919.
Zygottus is a genus of American sheet weavers that was first described by Ralph Vary Chamberlin in 1949.
Phruronellus is a genus of North American araneomorph spiders first described by R. V. Chamberlin in 1921. Originally placed with the Liocranidae, it was moved to the Corinnidae in 2002, and to the Phrurolithidae in 2014.
Phrurotimpus is a genus of araneomorph spiders first described by R. V. Chamberlin and Wilton Ivie in 1935. The name is a compound adjective meaning "guarding the stone". Originally added to the Liocranidae, it was moved to the Corinnidae in 2002, then to the Phrurolithidae in 2014. They have red egg sacs that look like flattened discs, often found on the underside of stones.