''Chaco'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

spider Spiders ( order Araneae) are air-breathing arthropods that have eight legs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species ...

in the family

Nemesiidae Nemesiidae, also known as funnel-web trapdoor spiders, is a family of mygalomorph spiders first described by Eugène Simon in 1889, and raised to family status in 1985. Before becoming its own family, it was considered part of "Dipluridae". Desc ...

Species

, the

World Spider Catalog The World Spider Catalog (WSC) is an online searchable database concerned with spider taxonomy. It aims to list all accepted families, genera and species, as well as provide access to the related taxonomic literature. The WSC began as a series of ...

accepted the following species: *'' Chaco ansilta'' Ferretti, 2014 – Argentina *'' Chaco castanea'' Montes de Oca & Pérez-Miles, 2013 – Uruguay *'' Chaco costai'' Montes de Oca & Pérez-Miles, 2013 – Uruguay *'' Chaco melloleitaoi'' (Bücherl, Timotheo & Lucas, 1971) – Brazil *'' Chaco obscura'' Tullgren, 1905 (

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...

) – Argentina *'' Chaco patagonica'' Goloboff, 1995 – Argentina *'' Chaco sanjuanina'' Goloboff, 1995 – Argentina *'' Chaco socos'' Goloboff, 1995 – Chile *'' Chaco tecka'' Goloboff, 1995 – Argentina *'' Chaco tigre'' Goloboff, 1995 – Chile *'' Chaco tingua'' Indicatti et al., 2015 – Brazil *'' Chaco tucumana'' Goloboff, 1995 – Argentina

References

Nemesiidae Mygalomorphae genera Spiders of South America {{Nemesiidae-stub