Monotypic Mygalomorphae genera

species of arachnid

Megahexura is a genus of spiders with the sole species Megahexura fulva, discovered in 1919. , it is the only genus in the family Megahexuridae.

species of arachnid

Neoapachella is a monotypic genus of North American mygalomorph trapdoor spiders in the family Euctenizidae containing the single species, Neoapachella rothi. It was first described by Jason Bond & B. D. Opell in 2002, and has only been found in Arizona and New Mexico. They are small to medium-sized spiders, reaching about in body length. It is named in honor of the Apaches as well as arachnologist Vincent D. Roth.

Hiboka is a monotypic genus of East African armored trapdoor spiders containing the single species, Hiboka geayi. It was first described by L. Fage in 1922, and has only been found on Madagascar. Originally placed with the Ctenizidae, it was moved to the armored trapdoor spiders in 1985.

Rhytidicolus is a monotypic genus of South American spiders in the family Rhytidicolidae, containing the single species, Rhytidicolus structor. It was first described by Eugène Simon in 1889, and has only been found in Venezuela. Originally placed with the Ctenizidae, it was moved to the Cyrtaucheniidae in 1985 and to the Rhytidicolidae in 2022.

Paracenobiopelma is a formerly monotypic genus of South American brushed trapdoor spiders.

Spelocteniza is a genus of spiders in the family Microstigmatidae. It was first described in 1982 by Gertsch. , it contains only one species, Spelocteniza ashmolei, which is found in Ecuador.

Anisaspoides is a monotypic genus of Brazilian bald-legged spiders containing the single species, Anisaspoides gigantea. It was first described by Frederick Octavius Pickard-Cambridge in 1896, and is only found in Brazil.

thumb | right Bolostromoides is a monotypic genus of South American wafer trapdoor spiders containing the single species, Bolostromoides summorum. It was first described by R. D. Schiapelli & B. S. Gerschman in 1945, and has only been found in Venezuela.

Cyrtogrammomma is a monotypic genus of South American brushed trapdoor spiders containing the single species, Cyrtogrammomma monticola. It was first described by Reginald Innes Pocock in 1895, and has only been found in Guyana.

Eubrachycercus is a monotypic genus of East African brushed trapdoor spiders containing the single species, Eubrachycercus smithi. It was first described by Reginald Innes Pocock in 1897, and has only been found in Somalia.

Carrai is a monotypic genus of spiders in the family Euagridae. It contains the single species, Carrai afoveolata. It was first described by Robert Raven in 1984, and is endemic to Australia.

Ministigmata is a genus of spiders in the family Microstigmatidae. It was first described in 1981 by Raven & Platnick. , it contains only one species, Ministigmata minuta, from Brazil.

Zophoryctes is a monotypic genus of East African brushed trapdoor spiders containing the single species, Zophoryctes flavopilosus. It was first described by Eugène Simon in 1902, and has only been found in Madagascar.

Mallecomigas is a genus of spiders in the family Migidae. It was first described in 1987 by Goloboff & Platnick. , it contains only one Chilean species, Mallecomigas schlingeri.

Fijocrypta is a monotypic genus of South Pacific brushed trapdoor spiders containing the single species, Fijocrypta vitilevu. Both genus and species were first described by Robert Raven in 1994, and they have only been found in Fiji. It was first found in rainforests in the eastern highlands of Viti Levu, the largest island in Fiji, from which the species name is derived. The genus name is derived from "Fiji" and the Latin word '''', meaning "hidden".

Sasonichus is a monotypic genus of Asian brushed trapdoor spiders containing the single species, Sasonichus sullivani. It was first described by Reginald Innes Pocock in 1900, and has only been found in India. The species Sipalolasma arthrapophysis was briefly placed here before being moved to Sipalolasma in 1985.

Atrophothele is a monotypic genus of Asian brushed trapdoor spiders containing the single species, Atrophothele socotrana. It was first described by Reginald Innes Pocock in 1903, and has only been found in Yemen.

Mexentypesa is a genus of spiders in the family Nemesiidae. It was first described in 1987 by Raven. , it contains only one species, Mexentypesa chiapas, from Mexico.

Rhianodes is a monotypic genus of Southeast Asian brushed trapdoor spiders containing the single species, Rhianodes atratus. It was first described by Robert Raven in 1985, and was later renamed to "Rhianodes" because the name was already attributed to a genus of weevils in the subfamily Apostasimerini. These spiders have only been found in Malaysia, Singapore, and Philippines.

Plesiothele is a monotypic genus of Australian funnel-web spiders containing the single species, Plesiothele fentoni, also known as Lake Fenton trapdoor spider. The genus was first described by Robert John Raven in 1978, and has only been found in Tasmania, Australia. Originally placed with the curtain web spiders, it was moved to the Hexathelidae in 1980.

Troglothele is a monotypic genus of Caribbean brushed trapdoor spiders containing the single species, Troglothele coeca. It was first described by L. Fage in 1929, and has only been found in Cuba.

Micromesomma is a genus of spiders in the family Migidae. It was first described in 1895 by Pocock. , it contains only one species, Micromesomma cowani, found in Madagascar.

Teyloides is a genus of spiders in the family Anamidae. It was first described in 1985 by Australian arachnologist Barbara York Main. , it contains only one Australian species, Teyloides bakeri.

Plagiobothrus is a monotypic genus of Asian brushed trapdoor spiders containing the single species, Plagiobothrus semilunaris. It was first described by Ferdinand Karsch in 1892, and has only been found in Sri Lanka, documented from the regions of Peradeniya and Kandy. It is about long and has a deep brown carapace and limbs. Its abdomen is black above and brown beneath.

Questocrypta is a monotypic genus of South Pacific brushed trapdoor spiders containing the single species, Questocrypta goloboffi. It was first described by Robert Raven in 1994, and has only been found on New Caledonia.

Natgeogia is a monotypic genus of South Pacific brushed trapdoor spiders containing the single species, Natgeogia rastellata. It was first described by Robert Raven in 1994, and has only been found on New Caledonia.

genus of spiders

Prorachias is a genus of spiders in the family Pycnothelidae. It was first described in 1924 by Mello-Leitão. , it contains only one Brazilian species, Prorachias bristowei.

Pselligmus is a genus of spiders in the family Pycnothelidae. It was first described in 1892 by Simon. , it contains only one Brazilian species, Pselligmus infaustus.

Pseudoteyl is a genus of spiders in the family Nemesiidae. It was first described in 1985 by Main. , it contains only one species, Pseudoteyl vancouveri, found in Australia.

Micromygale is a genus of spiders in the family Microstigmatidae containing the sole species Micromygale diblemma. The species was described in 1982 by Platnick and Forster and is found in Panama.

Longistylus is a genus of spiders in the family Pycnothelidae. It was first described in 2005 by Indicatti & Lucas. , it contains only one Brazilian species, Longistylus ygapema.