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.
Anicius is a monotypic genus of Mexican jumping spiders containing the single species, Anicius dolius. It was first described by Ralph Vary Chamberlin in 1925, and is only found in Mexico.
Homalonychus is a genus of araneomorph spiders, and is the only genus in the family Homalonychidae. It was first described by George Marx in 1891. As of October 2023 it contains only two species: H. selenopoides and H. theologus. They are found in the southern United States and Mexico: H. theologus is mostly found west of the Colorado River, while H. selenopoides is mostly found to the east, with some populations in Death Valley and near Mercury, Nevada.
Spirembolus is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin in 1920.
Kibramoa is a genus of North American plectreurid spiders that was first described by Ralph Vary Chamberlin in 1924.
Nopsides is a monotypic genus of North American araneomorph spiders in the family Caponiidae, containing the single species, Nopsides ceralbonus. It is one of three nopine species, in addition to Tarsonops and Orthonops, described by Ralph Vary Chamberlin from specimens collected from the Baja California region and nearby islands in 1924. They are active during the night, hiding under large stones of Mexico's deserts and xeric shrublands during the day.
Nodocion is a genus of ground spiders that was first described by R. V. Chamberlin in 1922.
Anacornia is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1933. As of May 2019 it contains only two species, both found in the United States: A. microps and A. proceps.
Anibontes is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin in 1924. As of May 2019 it contains only two species, both found in the United States: A. longipes and A. mimus.
Arcuphantes is a genus of dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1943.
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.
Masoncus is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin in 1949.
Masonetta is a monotypic genus of North American dwarf spiders containing the single species, Masonetta floridana. It was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939, and has only been found in the United States.
Montilaira is a monotypic genus of North American dwarf spiders containing the single species, Montilaira uta. It was first described by Ralph Vary Chamberlin in 1921, and has only been found in the United States.
Tachygyna is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939.
Wubana is a genus of American sheet weavers that was first described by Ralph Vary Chamberlin in 1919.
Anachemmis is a genus of North American false wolf spiders that was first described by Ralph Vary Chamberlin in 1919. It was briefly synonymized with Titiotus, but was reconfirmed as its own distinct genus in 1999.
