| Ameridion | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Class: | Arachnida |
| Order: | Araneae |
| Infraorder: | Araneomorphae |
| Family: | Theridiidae |
| Genus: | Ameridion Wunderlich, 1995 [1] |
| Type species | |
| A. petrum (Levi, 1959) | |
| Species | |
27, see text | |
Ameridion is a genus of comb-footed spiders that was first described by J. Wunderlich in 1995. [2] Species of this genus are found in Mexico, Central America, Northern South America and the West Indies.
As of May 2020 [update] it contains twenty-seven species, found in the Caribbean, South America, Costa Rica, Nicaragua, Panama, Guatemala, and Mexico: [1]
In synonymy:
Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. This diverse, globally distributed family includes over 3,000 species in 124 genera, and is the most common arthropod found in human dwellings throughout the world.
Achaearanea is a genus of comb-footed spiders that was first described by Embrik Strand in 1929.
Micrathena, known as spiny orbweavers, is a genus of orb-weaver spiders first described by Carl Jakob Sundevall in 1833. Micrathena contains more than a hundred species, most of them Neotropical woodland-dwelling species. The name is derived from the Greek "micro", meaning "small", and the goddess Athena.
Theridion is a genus of tangle-web spiders with a worldwide distribution. Notable species are the Hawaiian happy face spider (T. grallator), named for the iconic symbol on its abdomen, and T. nigroannulatum, one of few spider species that lives in social groups, attacking prey en masse to overwhelm them as a team.
Chrysso is a genus of comb-footed spiders that was first described by Octavius Pickard-Cambridge in 1882.
Anelosimus is a cosmopolitan genus of cobweb spiders (Theridiidae), currently containing 74 species. Anelosimus is a key group in the study of sociality and its evolution in spiders. It contains species spanning the spectrum from solitary to highly social (quasisocial), with eight quasisocial species, far more than any other spider genus. Among these is the South American social species Anelosimus eximius, among the best studied social spider species.
Cryptachaea is a genus of spiders in the Theridiidae family.
Linyphia is a genus of dwarf spiders that was first described by Pierre André Latreille in 1804. The name is Greek, and means "thread-weaver" or "linen maker".
Dipoena is a genus of tangle-web spiders that was first described by Tamerlan Thorell in 1869.
Janula is a genus of comb-footed spiders that was first described by Embrik Strand in 1932. It is a senior synonym of Monetoculus.
Parawixia is a genus of orb-weaver spiders first described by F. O. Pickard-Cambridge in 1904. Most species are found in the Neotropics but one species, Parawixia dehaani, is found in Australasia and tropical Asia as far west as India.
Trachelas is a genus of araneomorph spiders originally placed with the Trachelidae, and later moved to the Corinnidae.
Metazygia is a genus of orb-weaver spiders first described by F. O. Pickard-Cambridge in 1904. They physically resemble members of Nuctenea, but they do not have fine setae on the carapace.
Exalbidion is a genus of comb-footed spiders that was first described by J. Wunderlich in 1995.
Faiditus is a genus of comb-footed spiders that was first described by Eugen von Keyserling in 1884.
Helvibis is a genus of spiders in the family Theridiidae that was first described by Eugen von Keyserling in 1884. It is a senior synonym of Formicinoides.
Jamaitidion is a monotypic genus of comb-footed spiders containing the single species, Jamaitidion jamaicense. The genus was first described by J. Wunderlich in 1995, and is found on the Greater Antilles. The sole species of this genus was described by Herbert Walter Levi in 1959. It was originally placed in Theridion, but was moved to its own genus based on unique features of the epigynum.
Thymoites is a genus of comb-footed spiders that was first described by Eugen von Keyserling in 1884.
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