''Zearchaea'' 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 New Zealand () is an island country in the ...

family. It was first described in 1946 by Wilton. , it contains 2 species from New Zealand.

References

Mecysmaucheniidae Araneomorphae genera Endemic spiders of New Zealand {{Araneomorphae-stub