Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. This diverse, globally distributed family includes over 3,000 species in 124 genera, and is the most common arthropod found in human dwellings throughout the world.
Achaearanea is a genus of comb-footed spiders that was first described by Embrik Strand in 1929.
Wirada is a genus of comb-footed spiders that was first described by Eugen von Keyserling in 1886.
Craspedisia is a genus of comb-footed spiders that was first described by Eugène Louis Simon in 1894. As of May 2020 it contains three species, found in China, the Dominican Republic, and Brazil: C. cornuta, C. longioembolia, and C. spatulata.
The spider genus Spintharus occurs from the northeastern United States to Brazil. Nicholas Marcellus Hentz circumscribed the genus in 1850, initially as a monospecific genus containing his newly described species S. flavidus.
Thwaitesia is a genus of comb-footed spiders that was first described by Octavius Pickard-Cambridge in 1881.
Paratheridula is a monotypic genus of comb-footed spiders containing the single species, Paratheridula perniciosa. The sole species was first described in 1886 under the name Theridion perniciosum. The genus was first described by Herbert Walter Levi in 1957, though it has been described under several different names, including Mysmena 4-maculata, Theridion quadrimaculatum, and Theridion arcadicum,
Cryptachaea is a genus of spiders in the Theridiidae family.
Euryopis is a genus of comb-footed spiders that was first described by Anton Menge in 1868.
Dipoena is a genus of tangle-web spiders that was first described by Tamerlan Thorell in 1869.
Emertonella is a genus of comb-footed spiders that was first described by E. B. Bryant in 1945.
Phoroncidia is a genus of comb-footed spiders that was first described by J. O. Westwood in 1835.
Phanetta is a monotypic genus of North American dwarf spiders containing the single species, Phanetta subterranea. It was first described by Eugen von Keyserling in 1886, and has only been found in the United States.
Audifia is a genus of comb-footed spiders that was first described by Eugen von Keyserling in 1884. As of May 2020 it contains three species, found in Africa and Brazil: A. duodecimpunctata, A. laevithorax, and A. semigranosa.
Echinotheridion is a genus of comb-footed spiders that was first described by Herbert Walter Levi in 1963.
Exalbidion is a genus of comb-footed spiders that was first described by J. Wunderlich in 1995.
Helvibis is a genus of spiders in the family Theridiidae that was first described by Eugen von Keyserling in 1884. It is a senior synonym of Formicinoides.
Kochiura is a genus of comb-footed spiders that was first described by Allan Frost Archer in 1950.
Chthonos is a genus of South American ray spiders that was created by Jonathan A. Coddington in 1986 because the previous name was preoccupied. Originally placed with the Orb-weaver_spiders under the name Tecmessa, it was transferred to the ray spiders in 1986.
Wendilgarda is a genus of ray spiders that was first described by Eugen von Keyserling in 1886.
