Idiopidae, also known as armored trapdoor spiders, is a family of mygalomorph spiders first described by Eugène Simon in 1889. They have a large body similar to tarantulas.
Migidae, also known as tree trapdoor spiders, is a family of spiders with about 100 species in eleven genera. They are small spiders with little to no hair and build burrows with a trapdoor. Some species live in tree fern stems. They have a Gondwanan distribution, found almost exclusively on the Southern Hemisphere, occurring in South America, Africa, Madagascar, Australia, New Zealand and New Caledonia.
Anapidae is a family of rather small spiders with 231 described species in 58 genera. It includes the former family Micropholcommatidae as the subfamily Micropholcommatinae. Most species are less than 2 millimetres (0.079 in) long.
Idiosoma is a genus of Australian armored trapdoor spiders that was first described by Anton Ausserer in 1871. Originally placed with the Ctenizidae, it was moved to the armored trapdoor spiders in 1985. The name is derived from the Greek ἴδιος (idios), meaning "individual, unique", and σῶμα (soma), meaning "body", referring to the distinctive structure of the abdomen.
Blakistonia is a genus of Australian armored trapdoor spiders that was first described by Henry Roughton Hogg in 1902.
Cataxia is a genus of Australian armored trapdoor spiders that was first described by W. J. Rainbow in 1914.
Euoplos is a genus of Australian armored trapdoor spiders that was first described by W. J. Rainbow in 1914.
Zephyrarchaea is a genus of Australian assassin spiders first described by Michael Gordon Rix & Mark Harvey in 2012 for nine new species and two that were formerly placed in the genus Austrarchaea. The name is based on the Latin zephyrus, meaning "west wind", referring to the western distribution in Australia and a preference for windy, coastal habitats by some species. It has been encountered in Western Australia, Victoria and South Australia.
Anarchaea is a genus of spiders in the Malkaridae family. It was first described in 2006 by Rix. As of 2017, it contains 4 species, all found in Australia.
Flavarchaea is a genus of spiders in the Malkaridae family. It was first described in 2006 by Rix. As of 2017, it contains 8 species, all from Australia.
Forstrarchaea is a genus of spiders in the Malkaridae family. It was first described in 2006 by Rix. As of 2017, it contains only one species, Forstrarchaea rubra, found in New Zealand.
Nanarchaea is a genus of spiders in the Malkaridae family. It was first described in 2006 by Rix. As of 2017, it contains 2 Australian species.
Ozarchaea is a genus of spiders in the Malkaridae family. It was first described in 2006 by Rix. As of 2017, it contains 16 species.
Bertmainius is a genus of spiders in the family Migidae. It was first described in 2015 by Mark Harvey, Barbara York Main, Michael Rix and Steven Cooper. As of 2017, it contains 7 species, all from western Australia.
Cataxia colesi is a species of spider native to south-western Australia. The species has an extremely small distribution range, restricted to individual sky islands in the Stirling Range National Park. It digs burrows up to 20 cm deep.
Gaius is a genus of large mygalomorph spiders in the family Idiopidae. Erected in 1914, for much of its history the genus contained only one species, Gaius villosus. More species were added in 2018. All are endemic to Western Australia.
Eucanippe is a genus of Western Australian armored trapdoor spiders first described by Michael Gordon Rix, Robert J. Raven, Barbara York Main, S. E. Harrison, A. D. Austin, S. J. B. Cooper & Mark Stephen Harvey in 2017.
Bungulla is a genus of Australian armored trapdoor spiders first described by Michael Gordon Rix, Robert J. Raven, Barbara York Main & Mark Stephen Harvey in 2017.
