The Thomisidae are a family of spiders, including about 170 genera and over 2,100 species. The common name crab spider is often linked to species in this family, but is also applied loosely to many other families of spiders. Many members of this family are also known as flower spiders or flower crab spiders.
Dictynidae is a family of cribellate, hackled band-producing spiders first described by Octavius Pickard-Cambridge in 1871. Most build irregular webs on or near the ground, creating a tangle of silken fibers among several branches or stems of one plant.
Trechaleidae (tre-kah-LEE-ih-dee) is a family of araneomorph spiders first described by Eugène Simon in 1890. It includes about 140 described species in 16 genera. They all live in Central and South America except for Shinobius orientalis, which is endemic to Japan. Other names for the family are longlegged water spiders and fishing spiders. The family Trechaleidae is closely related to Pisauridae and Lycosidae, and the three families are sometimes referred to as the lycosid group.
Arctosa is a genus of wolf spiders first described by Carl Ludwig Koch in 1847. As of February 2019 it contains 169 species.
Tinus is a genus of nursery web spiders that was first described by Frederick Octavius Pickard-Cambridge in 1901.
Trechalea is a genus of spiders in the family Trechaleidae. The species of this genus are found in the New World from the United States south to Peru and Brazil.
Verrucosa is a genus of orb-weaver spiders first described by Henry McCook in 1888. It contains almost fifty described species, most of which live in South America. The only species in the United States is the arrowhead spider.
Nilus is a genus of nursery web spiders that was first described by Octavius Pickard-Cambridge in 1876.
Thaumasia is a genus of nursery web spiders that was first described by Josef Anton Maximilian Perty in 1833.
Epicadus is a genus of crab spiders that was first described by Eugène Louis Simon in 1895. It is considered a senior synonym of Tobias.
Hesydrus is a genus of spiders in the family Trechaleidae. It was first described in 1898 by Simon. As of 2017, it contains 7 Central and South American species.
Paradossenus is a genus of spiders in the family Trechaleidae. It was first described in 1903 by F. O. Pickard-Cambridge. As of 2017, it contains 13 species.
Paratrechalea is a genus of spiders in the family Trechaleidae. It was first described in 2005 by Carico. As of 2017, it contains 7 species from Brazil, Argentina, Uruguay.
Enna is a genus of South American and Central American araneomorph spiders in the family Trechaleidae, first described by Octavius Pickard-Cambridge in 1897.
