Monotypic Araneomorphae genera

Zametopina is a genus of spiders in the family Thomisidae. It was first described in 1909 by Simon. , it contains only one species, Zametopina calceata, found in China and Vietnam.

Oculocornia is a monotypic genus of Asian dwarf spiders containing the single species, Oculocornia orientalis. It was first described by T. I. Oliger in 1985, and has only been found in Russia.

Platyspira is a monotypic genus of East Asian sheet weavers containing the single species, Platyspira tanasevitchi. It was first described by Y. J. Song & S. Q. Li in 2009, and has only been found in China.

Viktorium is a monotypic genus of Russian sheet weavers containing the single species, Viktorium putoranicum. It was first described by K. Y. Eskov in 1988, and is only found in Russia.

Toltecaria is a monotypic genus of Mexican sheet weavers containing the single species, Toltecaria antricola. It was first described by J. A. Miller in 2007, and is only found in Mexico.

Gradungula is a monotypic genus of South Pacific large-clawed spiders containing the single species, Gradungula sorenseni. It is only found in New Zealand.

Scotolathys is a monotypic genus of cribellate araneomorph spiders in the family Dictynidae containing the single species, Scotolathys simplex. It was first described by Eugène Simon in 1884, and separated from Lathys into its own genus in 2009. Species occur in Algeria, Spain, Macedonia, Greece, Ukraine, and in Israel.

Neocautinella is a monotypic genus of South American dwarf spiders containing the single species, Neocautinella neoterica. It was first described by L. L. Baert in 1990, and has only been found in Bolivia, Ecuador, and Peru.

Oaphantes is a genus of North American dwarf spiders that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1943.

Togacantha is a genus of orb-weaver spiders found in Africa. It is monotypic and contains the single species Togacantha nordviei. It was first described as a subgenus of Gasteracantha by Friedrich Dahl in 1914, and was later elevated to genus status. Only the female was known until a male was found and described in 1982.

Palicanus is a genus of spiders in the family Miturgidae. It was first described in 1897 by Thorell. , it contains only one species, Palicanus caudatus, found in Myanmar, China, Indonesia, and the Seychelles.

Thyreobaeus is a monotypic genus of East African sheet weavers containing the single species, Thyreobaeus scutiger. It was first described by Eugène Louis Simon in 1889, and has only been found on Madagascar.

Zealoctenus is a genus of spiders in the family Miturgidae. It was first described in 1973 by Forster & Wilton. , it contains only one species, Zealoctenus cardronaensis, found in New Zealand.

Sulsula is a genus of spiders in the family Oonopidae. It was first described in 1882 by Simon. , it contains only one species, Sulsula pauper, found in Algeria, Egypt, and Sudan.

Zygometis is a genus of spider in the family Thomisidae described by Simon in 1901, containing the sole species Zygometis xanthogaster, or the milky flower spider or white flower spider, with a distribution from Thailand to Australia (including Lord Howe Island). They are ambush predators.

Megadictyna is a genus of spiders in the family Megadictynidae. It was first described in 1906 by Friedrich Dahl. , it contains only one species, Megadictyna thilenii, found in New Zealand. Similar to many RTA clade spiders, Megadictyna build wheel-shaped orb webs.

Dejerosa is a genus of spiders in the family Lycosidae. It was first described in 1960 by Roewer. , it contains only one species, Dejerosa picta, found in Mozambique.

Primerigonina is a monotypic genus of Central American sheet weavers containing the single species, Primerigonina australis. It was first described by J. Wunderlich in 1995, and has only been found in Panama.

Soucron is a monotypic genus of North American sheet weavers containing the single species, Soucron arenarium. It was first described by C. R. Crosby & S. C. Bishop in 1936, and has only been found in Canada and the United States.

Paraeboria is a monotypic genus of Asian dwarf spiders containing the single species, Paraeboria jeniseica. It was first described by K. Y. Eskov in 1990, and has only been found in Russia.

Galliena is a monotypic genus of Southeast Asian araneomorph spiders which are located in the family Cycloctenidae containing the single species, Galliena montigena. It was first described by Eugène Simon in 1898, and has only been found in Indonesia.

Atelolathys is a monotypic genus of Asian cribellate araneomorph spiders in the family Dictynidae containing the single species, Atelolathys varia. It was first described by Eugène Simon in 1892, and has only been found in Sri Lanka.

Mahembea is a genus of African orb-weaver spiders containing the single species, Mahembea hewitti. The species is found in Central and East Africa. It is commonly known as '''Hewitt's grass orb-web spider'''.

Piesocalus is a monotypic genus of Southeast Asian dwarf spiders containing the single species, Piesocalus javanus. It was first described by Eugène Louis Simon in 1894, and has only been found in Indonesia and on the Java.

Hesperocranum is a genus of spiders in the family Liocranidae. It was first described in 1991 by Ubick & Platnick. , it contains only one species, Hesperocranum rothi, found in the U.S.

Aebutina is a monotypic genus of South American cribellate araneomorph spiders in the family Dictynidae containing the single species, Aebutina binotata. It was first described by Eugène Simon in 1892, and has only been found in Ecuador and in Brazil.

Pseudohilaira is a monotypic genus of Asian sheet weavers containing the single species, Pseudohilaira mirabilis. It was first described by K. Y. Eskov in 1990, and has only been found in Russia.

Schistogyna is a monotypic genus of South American sheet weavers containing the single species, Schistogyna arcana. It was first described by Alfred Frank Millidge in 1991, and has only been found in Chile and on the Juan Fernández Islands.

Bogdocosa is a genus of spiders in the family Lycosidae. It was first described in 2008 by Ponomarev & Belosludtsev. , it contains only one species, Bogdocosa kronebergi, found in Russia, Central Asia (Kazakhstan, Uzbekistan and Tajikistan), China and Iran. The species was first described as Alopecosa kronebergi by Andreeva in 1976. In 2018, it was synonymized with two other species, including Bogdocosa baskuntchakensis.

Prolycosides is a genus of spiders in the family Lycosidae. It was first described in 1942 by Mello-Leitão. , it contains only one species, Prolycosides amblygyna, found in Argentina.

Sibirocyba is a monotypic genus of Asian sheet weavers containing the single species, Sibirocyba incerta. The species was first described by Władysław Kulczyński in 1916 as Tapinocyba incerta. K. Y. Eskov and Y. M. Marusik transferred the species to their newly erected genus Sibirocyba in 1994. It has only been found in Russian Siberia, from the Ural Mountains to the far north east.

Dolocosa is a genus of spiders in the family Lycosidae. It was first described in 1960 by Roewer. , it contains only one species, Dolocosa dolosa, on the island of Saint Helena.

Souidas is a monotypic genus of North American sheet weavers containing the single species, Souidas tibialis. It was first described by American entomologists C. R. Crosby & S. C. Bishop in 1936, and has only been found in the United States.

Mecynargoides is a monotypic genus of Asian dwarf spiders containing the single species, Mecynargoides kolymensis. It was first described by K. Y. Eskov in 1988, and has only been found in Mongolia and Russia.

Mycula is a monotypic genus of European dwarf spiders containing the single species, Mycula mossakowskii. It was first described by H.-B. Schikora in 1994, and has only been found in Austria, Germany, and Italy.

Argennina is a monotypic genus of North American cribellate araneomorph spiders in the family Dictynidae containing the single species, Argennina unica. It was first described by Willis J. Gertsch & S. Mulaik in 1936, and has only been found in Texas. Individuals are around in body length. The carapace is a pale yellow brown, sparsely covered with short black hairs, and the abdomen is gray to pale yellow with fine pale hairs.

Psyllo is a genus of Central African orb-weaver spiders containing the single species, Psyllo nitida. It was first described by Tamerlan Thorell in 1899, and has only been found in Cameroon and the Democratic Republic of the Congo.

Scolopembolus is a monotypic genus of North American sheet weavers containing the single species, Scolopembolus littoralis. It was first described by S. C. Bishop & C. R. Crosby in 1938, and has only been found in the United States.

Chorizomma is a monotypic genus of European dwarf sheet spiders containing the single species, Chorizomma subterraneum. It was first described by Eugène Simon in 1872, and has only been found in Spain and France. Originally placed with the funnel weavers, it was moved to the Dictynidae in 1967, and to the Hahniidae in 2017. In 2023, it was moved to the Cicurinidae.

Soulgas is a monotypic genus of North American sheet weavers containing the single species, Soulgas corticarius. It was first described by C. R. Crosby & S. C. Bishop in 1936, and has only been found in the United States.

Intecymbium is a monotypic genus of South American dwarf spiders containing the single species, Intecymbium antarcticum. It was first described by J. A. Miller in 2007, and has only been found in Argentina and Chile.

Pseudopsyllo is a genus of Central African orb-weaver spiders containing the single species, Pseudopsyllo scutigera. It was first described by Embrik Strand in 1916, and has only been found in Cameroon.

Promurricia is a monotypic genus of Asian tree trunk spiders containing the single species, Promurricia depressa. It was first described by M. Baehr & B. Baehr in 1993, and has only been found in Sri Lanka.

Typhochrestinus is a monotypic genus of Russian sheet weavers containing the single species, Typhochrestinus titulifer. It was first described by K. Y. Eskov in 1990, and is only found in Russia.

Cepheia is a monotypic genus of European araneomorph spiders in the family Synaphridae containing the single species, Cepheia longiseta. It was first described as Theonoe longiseta in 1881, and was moved to its own genus in 1894. Originally placed with the tangle-web spiders, it was moved several times before settling in the Synaphridae in 2003. Paolo Brignoli noted that it is an unidentifiable theridiid.

Tetragonophthalma is a monotypic genus of Central African nursery web spiders containing the single species, Tetragonophthalma vulpina. It was first described by Ferdinand Anton Franz Karsch in 1878, and is only found in Africa.

Phyllarachne is a monotypic genus of Indonesian dwarf spiders containing the single species, Phyllarachne levicula. It was first described by Alfred Frank Millidge & A. Russell-Smith in 1992, and has only been found on the Borneo.

Yaginumia is a genus of Asian orb-weaver spiders described by Allan Frost Archer to hold the single species, Yaginumia sia. This species was moved from Aranea to Zygiella in 1942, before moving to this genus in 1960. It has only been found in China, Korea, Taiwan, and Japan.

Pacificana is a genus of spiders in the family Cycloctenidae. It was first described in 1904 by Hogg. , it contains only one species, Pacificana cockayni (Pacific Bounty hunter), found only on the Bounty Islands I Moutere Hauriri in New Zealand.

Juanfernandezia is a monotypic genus of South American dwarf spiders containing the single species, Juanfernandezia melanocephala. It was first described by A. Ö. Koçak & M. Kemal in 2008, and has only been found in Chile.

Souessa is a monotypic genus of North American sheet weavers containing the single species, Souessa spinifera. It was first described by C. R. Crosby & S. C. Bishop in 1936, and has only been found in the United States.

Penangodyna is a monotypic genus of Southeast Asian cribellate araneomorph spiders in the family Dictynidae containing the single species, Penangodyna tibialis. It was first described by J. Wunderlich in 1995, and has only been found in Malaysia.

Ringina is a monotypic genus of Australasian sheet weavers containing the single species, Ringina antarctica. It was first described by H. Tambs-Lyche in 1954, and has only been found on the Crozet Islands.

Symmigma is a monotypic genus of North American sheet weavers containing the single species, Symmigma minimum. It was first described by C. R. Crosby & S. C. Bishop in 1933, and has only been found in the United States.

Talthybia is a genus of Asian orb-weaver spiders containing the single species, Talthybia depressa. It was first described by Tamerlan Thorell in 1898, and has only been found in China and Myanmar.

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.

Pherenice is a genus of Central African orb-weaver spiders containing the single species, Pherenice tristis. It was first described by Tamerlan Thorell in 1899, and has only been found in Cameroon.

Banaidja is a monotypic genus of South Pacific cribellate araneomorph spiders in the family Dictynidae containing the single species, Banaidja bifasciata. It was first described by Pekka T. Lehtinen in 1967, and has only been found in Samoa. The type species was transferred from Dictyna in 1929, retaining the original species name.

Helsonia is a monotypic genus of South Pacific intertidal spiders containing the single species, Helsonia plata. It was first described by Raymond Robert Forster in 1970, and has only been found in New Zealand.

Chilarchaea is a monotypic genus of spiders in the Mecysmaucheniidae family. It was first described by Forster & Platnick in 1984. , it contains only one species, Chilarchaea quellon, found in Chile and Argentina.