Monotypic Theridiidae genera

The spider genus Cabello consists of only one species, Cabello eugeni, found in Venezuela. It is a small yellow-white spider, with females 2 mm long, and males 1.6 mm. The eye region is reddish with a dusky median longitudinal band, the sternum whitish, with grey sides. The yellow-white legs have scattered black spots on the anterior face. On the abdomen there are scattered white spots.

Argyrodella is a monotypic genus of Seychelloise comb-footed spiders containing the single species, Argyrodella pusillus. It was first described by Michael I. Saaristo in 2006, and is found on the Seychelles.

Anatolidion is a monotypic genus of comb-footed spiders containing the single species, Anatolidion gentile. It was first described by J. Wunderlich in 2008, and is found in Africa and Europe.

Deelemanella is a monotypic genus of comb-footed spiders containing the single species, Deelemanella borneo. It was first described by H. Yoshida in 2003, and is found on Borneo. This genus was named after the Dutch arachnologist Christa L. Deeleman-Reinhold.

Achaeridion is a monotypic genus of comb-footed spiders containing the single species, Achaeridion conigerum. It was first described by J. Wunderlich in 2008, and is found in Europe.

Canalidion is a monotypic genus of tangle-web spiders containing the single species, Canalidion montanum. The species was first described by James Emerton in 1882 under the name Theridion montanum. J. Wunderlich moved it to its own genus in 2018, because it had more teeth on the anterior margin of the cheliceral furrow, a basal depression of the cymbium, and an embolus positioned dorsally. It has a holarctic distribution.

Ruborridion is a monotypic genus of Asian comb-footed spiders containing the single species, Ruborridion musivum. The species was first described under the name Theridion musivum in 1873. The genus was described by J. Wunderlich in 2011. They are found in India and in the mediterranean area (southern Europe, north Africa)

Nesticodes is a monotypic genus of comb-footed spiders containing only the red house spider [Nesticodes rufipes (Lucas, 1846)]. It was first described by Allan Frost Archer in 1950, and has a pantropical distribution due to ship and air travel.

Spinembolia is a monotypic genus of African comb-footed spiders containing the single species, Spinembolia clabnum. It was first described by Michael I. Saaristo in 2006, and is found on the Seychelles.

Nanume is a monotypic genus of comb-footed spiders containing the single species, Nanume naneum. It was first described by Michael I. Saaristo in 2006, and is found on the Aldabra Atoll.

Achaearyopa is a monotypic genus of Filipino comb-footed spiders containing the single species, Achaearyopa pnaca. It was first described by A. T. Barrion & J. A. Litsinger in 1995, and is found in the Philippines.

Heterotheridion is a monotypic genus of comb-footed spiders with a palearctic distribution, containing the single species, Heterotheridion nigrovariegatum. It was first described by J. Wunderlich in 2008.

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,

Macaridion is a monotypic genus of European comb-footed spiders containing the single species, Macaridion barreti. The genus was first described by J. Wunderlich in 1992, and it is found in Portugal and Spain. The sole species was first described under the name Theridion barreti, but it was elevated to its own genus in 1992.

Nojimaia is a monotypic genus of East Asian comb-footed spiders containing the single species, Nojimaia nipponica. It was first described by H. Yoshida in 2009, and is found in Japan and China.

genus of arachnids

Jamaitidion is a monotypic genus of comb-footed spiders containing the single species, Jamaitidion jamaicense. The genus was first described by J. Wunderlich in 1995, and is found on the Greater Antilles. The sole species of this genus was described by Herbert Walter Levi in 1959. It was originally placed in Theridion, but was moved to its own genus based on unique features of the epigynum.

Okumaella is a monotypic genus of East Asian comb-footed spiders containing the single species, Okumaella okumae. It was first described by H. Yoshida in 2009, and is found in Japan. This genus is named in honour of the Japanese arachnologist Chiyoko Okuma.

Landoppo is a monotypic genus of Filipino comb-footed spiders containing the single species, Landoppo misamisoriensis. It was first described by A. T. Barrion & J. A. Litsinger in 1995, and is found in the Philippines.

Chorizopella is a monotypic genus of South African comb-footed spiders containing the single species, Chorizopella tragardhi. It is endemic to South Africa and is commonly known as the Choriozopella comb-foot spider.

Histagonia is a monotypic genus of South African comb-footed spiders containing the single species, Histagonia deserticola. It was first described by Eugène Louis Simon in 1895, and is endemic to southern Africa.

Sardinidion is a monotypic genus of comb-footed spiders containing the single species, Sardinidion blackwalli. It was first described by J. Wunderlich in 1995, and is found in Africa and Europe.

Borneoridion is a monotypic genus of comb-footed spiders containing the single species, Borneoridion spinifer. It was first described by C. Deeleman & J. Wunderlich in 2011, and is found on Borneo.

Gmogala is a monotypic genus of South Pacific comb-footed spiders containing a single species, Gmogala scarabaeus. It was first described by Eugen von Keyserling in 1890, and is found in Australia and Papua New Guinea.

Helvidia is a monotypic genus of Sumatran comb-footed spiders containing the single species, Helvidia scabricula. It was first described by Tamerlan Thorell in 1890, and is found on Sumatra. Only males have ever been recorded.