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 to large 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.
Malkaridae is a small family of araneomorph spiders first described by V. T. Davies in 1980. In 2017, the family Pararchaeidae was brought into synonymy with Malkaridae.
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 William Joseph Rainbow in 1914.
Euoplos is a genus of Australian armored trapdoor spiders that was first described by William Joseph 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.
Michael Gordon Rix is an Australian arachnologist, whose publications mainly concern spiders.
Anarchaea is a genus of Australian shield spiders that was first described by Michael Gordon Rix in 2006.
Flavarchaea is a genus of South Pacific shield spiders that was first described by Michael Gordon Rix in 2006.
Nanarchaea is a genus of Australian shield spiders that was first described by Michael Gordon Rix in 2006. As of June 2019 it contains only two species, found in Tasmania, Victoria, New South Wales, and Queensland: N. binnaburra and N. bryophila.
Ozarchaea is a genus of South Pacific shield spiders that was first described by Michael Gordon Rix in 2006.
Westrarchaea is a genus of Western Australian shield spiders that was first described by Michael Gordon Rix in 2006. As of June 2019 it contains only three species, found only in Western Australia: W. pusilla, W. sinuosa, and W. spinosa.
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.
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.
