''Lathyarcha'' 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 ...

of Australian intertidal spiders that was first described by Eugène Simon in 1908. it contains only three species: ''L. cinctipes'', ''L. inornata'', and ''L. tetrica''. Originally placed with the intertidal spiders, it was moved to the ''Matachiinae'' (subfamily of

Amaurobiidae ''Amaurobiidae'' is a family of three-clawed cribellate or ecribellate spiders found in crevices and hollows or under stones where they build retreats, and are often collected in pitfall traps. Unlidded burrows are sometimes quite obvious in crust ...

) in 1967.

References

Araneomorphae genera Desidae Spiders of Australia Taxa named by Eugène Simon {{Araneomorphae-stub