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.
Paraheliophanus is a genus of Atlantic jumping spiders that was first described by D. J. Clark & P. L. G. Benoit in 1977. The name is a combination of the Ancient Greek "para" (παρά), meaning "alongside", and the salticid genus Heliophanus.
Amyciaea is a genus of ant mimicking crab spiders that was first described by Eugène Louis Simon in 1885.
Aphantochilus is a genus of ant-mimicking crab spiders that was first described by Octavius Pickard-Cambridge in 1871. As of June 2020 it contains three species, found in Paraguay, Brazil, Argentina, and Panama: A. cambridgei, A. inermipes, and A. rogersi. It is a senior synonym of Cryptoceroides.
Pistius is a genus of crab spiders with nine described species. Most occur in Asia, only P. truncatus has a palaearctic distribution.
Alcimochthes is a genus of Asian crab spiders that was first described by Eugène Louis Simon in 1885. As of June 2020 it contains three species, found in eastern Asia: A. limbatus, A. melanophthalmus, and A. meridionalis.
Tecution is a genus of spiders from Saint Helena within the family Cheiracanthiidae. They were first described and named by Benoit in 1977. It was originally placed in the Clubionidae, but it was moved to Miturgidae in 1997, then to Cheiracanthiidae by Ramírez in 2014. The genus originally consisted of three species until fieldwork and morphological analysis by British arachnologist Danniella Sherwood and Saint Helenian colleagues demonstrated there is just one variable species, Tecution planum.
Boliscus is a genus of Asian crab spiders first described by Tamerlan Thorell in 1891. As of February 2019 it contains only three species.
Epidius is a genus of crab spiders that was first described by Tamerlan Thorell in 1877. It is a senior synonym of Pothaeus.
Helenactyna is a genus of cribellate araneomorph spiders in the family Dictynidae, and was first described by Pierre L.G. Benoit in 1977. As of May 2019 it contains only two species, both from Saint Helena: H. crucifera and H. vicina.
Zyngoonops is a genus of Central African goblin spiders that was first described by P. L. G. Benoit in 1977.
Napometa is a genus of Atlantic dwarf spiders that was first described by P. L. G. Benoit in 1977.
Zercidium is a monotypic genus of Atlantic comb-footed spiders containing the single species, Zercidium helenense. It was first described by P. L. G. Benoit in 1977, and is found on Saint Helena.
Bassaniodes is a genus of crab spiders that was first described by Reginald Innes Pocock in 1903.
Cebrenninus is a genus of crab spiders that was first described by S. P. Benjamin in 2016. It is a senior synonym of Ascurisoma.
Corynethrix is a monotypic genus of South Pacific crab spiders containing the single species, Corynethrix obscura. It was first described by Ludwig Carl Christian Koch in 1876 based on a female specimen. They have been found in New South Wales and Queensland. A male has not yet been identified, and there is very little known about the biology and behaviour of this species and its relatives.
Geraesta is a genus of African crab spiders that was first described by Eugène Louis Simon in 1889.
Hedana is a genus of crab spiders that was first described by Ludwig Carl Christian Koch in 1874.
Firmicus is a genus of crab spiders that was first described by Eugène Louis Simon in 1895.
Bucliona is a genus of sac spiders first described by Pierre L.G. Benoit in 1977. As of November 2021 it contains only three species: B. dubia, B. jucunda, and B. kirilli. It was synonymized with Clubiona in 1997, but was elevated back to genus in 2021. The type species was originally described under the name "Clubiona dubia".
