Oonopidae, also known as goblin spiders, is a family of spiders consisting of over 1,600 described species in about 113 genera worldwide, with total species diversity estimated at 2000 to 2500 species. The type genus of the family is OonopsKeyserling, 1835.
Wandering spiders (Ctenidae) are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. They are highly defensive and venomous nocturnal hunters. Wandering spiders are known to hunt large prey, for example hylid species Dendropsophus branneri. Despite their notoriety for being dangerous, only a few members of Phoneutria have venom known to be hazardous to humans, but the venoms of this family are poorly known, so all larger ctenids should be treated with caution.
Drymusa is a genus of false violin spiders that was first described by Eugène Simon in 1892. They physically resemble violin spiders (Loxosceles), but their bites are not believed to be medically significant. Originally placed with the spitting spiders, it was moved to the Loxoscelidae in 1981, then to the Drymusidae in 1986.
Prodidomidae is a family of spider, sometimes called long-spinneret ground spiders. It was formerly regarded as a subfamily of Gnaphosidae, but was raised to a family in 2022.
Masteria is a genus of curtain web spiders that was first described by L. Koch in 1873. They occur in the tropics of Central to South America, Asia and Micronesia, with one species found in Australia. M. petrunkevitchi males are 4 millimetres (0.16 in) long and females are 5 millimetres (0.20 in) long. M. lewisi, M. barona, and M. downeyi are slightly smaller and have only six eyes.
Caponiidae is a family of ecribellate haplogyne spiders that are unusual in a number of ways. They differ from other spiders in lacking book lungs and having the posterior median spinnerets anteriorly displaced to form a transverse row with the anterior lateral spinnerets. Most species have only two eyes, which is also unusual among spiders. A few species of Caponiidae variously have four, six or eight eyes. In some species the number of eyes will increase when the spiderling changes its skin as it grows towards adulthood.
Cubanops is a genus of Caribbean araneomorph spiders in the family Caponiidae first described by A. Sánchez-Ruiz, Norman I. Platnick & N. Dupérré in 2010. These spiders are wandering hunters, generally found at ground level, under stones, in leaf litter or in the soil, and have only been found in the West Indies.
Nops guanabacoae is a species of medium-sized caponiid spider with only two eyes and carapace uniformly orange. N. guanabacoae is the type species of genus Nops, more information on this article.
Caponina is a genus of araneomorph spiders in the family Caponiidae, first described by Eugène Simon in 1892.
Ochyrocera is a genus of midget ground weavers that was first described by Eugène Louis Simon in 1892.
Wagneriana is a genus of orb-weaver spiders first described by F. O. Pickard-Cambridge in 1904.
Otiothops is a genus of palp-footed spiders that was first described by W. S. MacLeay in 1839.
Medionops is a genus of araneomorph spiders in the family Caponiidae, first described by A. Sánchez-Ruiz & Antônio Domingos Brescovit in 2017.
Nopsma is a genus of tropical spiders in the family Caponiidae. It was first described by A. Sánchez-Ruiz, Antônio Domingos Brescovit and A. B. Bonaldo in 2020. It was originally described under the name "Nyetnops juchuy" in 2014. They are found in Central and South America.
Cinetomorpha is a genus of goblin spiders first described by Eugène Louis Simon in 1892. It is a senior synonym of Lucetia, and Yumates.
