''Chilarchaea'' is a genus 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. Genera , the World Spider Catalog The World Spide ...

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

References

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