Pseudotyrannochthonius gigas

Pseudotyrannochthonius gigas is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1969 by Austrian arachnologist Max Beier.

Distribution and habitat
The species occurs in the Western District of Victoria. The type locality is Harman One Cave, Byaduk.

Behaviour
The pseudoscorpions are cave-dwelling terrestrial predators.