| Matta | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Tetrablemmidae |
| Genus: | Matta Crosby, 1934 [1] |
| Type species | |
| M. hambletoni Crosby, 1934 | |
| Species | |
10, see text | |
Matta is a genus of araneomorph spiders in the family Tetrablemmidae that was first described by C. R. Crosby in 1934. [2]
As of September 2019 [update] it contains ten species, found in Mexico and Brazil: [1]
The recluse spiders, also known as brown spiders, fiddle-backs, violin spiders, and reapers, is a genus of spiders that was first described by R. T. Lowe in 1832. They are venomous spiders known for their bite, which sometimes produces a characteristic set of symptoms known as loxoscelism.
Anyphaenidae is a family of araneomorph spiders, sometimes called anyphaenid sac spiders. They are distinguished from the sac spiders of the family Clubionidae and other spiders by having the abdominal spiracle placed one third to one half of the way anterior to the spinnerets toward the epigastric furrow on the underside of the abdomen. In most spiders the spiracle is just anterior to the spinnerets. Like clubionids, anyphaenids have eight eyes arranged in two rows, conical anterior spinnerets and are wandering predators that build silken retreats, or sacs, usually on plant terminals, between leaves, under bark or under rocks. There are more than 500 species in over 50 genera worldwide.
The ray spiders (Theridiosomatidae) are a family of spiders first described by Eugène Simon in 1881. They are most recognizable for their construction of cone-shaped webs.
Breda is a genus of jumping spiders that was first described by George Peckham & Elizabeth Peckham in 1894.
Microstigmatidae is a small family of spiders with about 25 described species in eight genera. They are small ground-dwelling and free-living spiders that make little use of silk.
Tetrablemmidae, sometimes called armored spiders, is a family of tropical araneomorph spiders first described by Octavius Pickard-Cambridge in 1873. It contains 126 described species in 29 genera from southeast Asia, with a few that occur in Africa and Central and South America. Pacullidae was incorporated into this family in 1981, but was later restored as a separate family in a 2016 phylogenetic study.
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.
Ochyrocera is a genus of midget ground weavers that was first described by Eugène Louis Simon in 1892.
Micromatta is a monotypic genus of Central American araneomorph spiders in the family Tetrablemmidae found in Belize. It contains the single species, Micromatta atoma, first described by W. A. Shear in 1978. Pekka T. Lehtinen transferred it to Micromatta in 1981 because the shapes of the male embolus and conductor are quite different than those of Matta and Caraimatta. Additionally, the plesiomorphic structure of pedipalp segments prove that the three genera aren't a paraphyletic group.
Strotarchus is a genus of araneomorph spiders in the family Cheiracanthiidae that was first described by Eugène Louis Simon in 1888. Originally added to the Clubionidae, it was moved to the Miturgidae in 1967, and to the Cheiracanthiidae in 2014. It is considered a senior synonym of Marcellina and Coreidon.
Thymoites is a genus of comb-footed spiders that was first described by Eugen von Keyserling in 1884.
Ochyrocera aragogue is a species of spider of the genus Ochyrocera. It is endemic to Brazil. It was named after the giant spider Aragog in Harry Potter and the Chamber of Secrets. It was discovered in the Carajás National Forest in Pará, Brazil.
Cuacuba is a genus of Brazilian ray spiders first described by P. H. Prete, I. Cizauskas & Antônio Domingos Brescovit in 2018. As of April 2019 it contains only two species.
Tonton is a genus of South American mygalomorph spiders in the family Microstigmatidae, first described by V. Passanha, I. Cizauskas & Antônio Domingos Brescovit in 2019.
Baalzebub is a genus of ray spiders first described by Jonathan A. Coddington in 1986. Spiders in this genus typically live in dark environments, like caves.
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