14, see text Euathlus is a genus of South American tarantulas that was first described by Anton Ausserer in 1875.

[3] These spiders are medium sized and are usually found in high elevations in the Andes.

[6] Males own a palpal bulb with two prolateral keels, with the tip curved retrolaterally.

Females also can be distinguished by two 4 sided spermathecal receptacles, with sphere like chambers.

[4] As of July 2022[update] it contains fourteen species, found in Argentina, Chile and Peru:[1]