Pseudotyrannochthonius jonesi is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1962 by American arachnologist Joseph Conrad Chamberlin.
The species occurs in eastern New South Wales, where it known only from the Jenolan karst. The type locality is given as âÂÂprobably in Blue Mountains near SydneyâÂÂ.
The pseudoscorpions are cave-dwelling, terrestrial predators.