30, see text Acanthogonatus is a genus of South American mygalomorph spiders in the family Pycnothelidae.

It was first described by Ferdinand Anton Franz Karsch in 1880.

[4] Originally placed with the brushed trapdoor spiders,[4] it was transferred to the funnel-web trapdoor spiders in 1985,[3] then to the Pycnothelidae in 2020.

[5] As of October 2023[update] it contains thirty species, found in Uruguay, Peru, Brazil, Argentina, and Chile:[1] Formerly included: Nomen dubium

This Pycnothelidae-related article is a stub.