''Chilarchaea'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

of spiders in the

Mecysmaucheniidae Mecysmaucheniidae is a family of araneomorph spiders first described by Eugène Simon in 1895. Most genera occur in South America (Chile and Argentina), with two genera endemic to New Zealand New Zealand () is an island country in the ...

family. It was first described by Forster & Platnick in 1984. , it contains only one species, ''Chilarchaea quellon'', found in Chile and Argentina.

References

Mecysmaucheniidae Monotypic Araneomorphae genera Spiders of South America {{Araneomorphae-stub