Pseudotyrannochthonius hamiltonsmithi

Pseudotyrannochthonius hamiltonsmithi is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1968 by Austrian arachnologist Max Beier.

Description
The body length is 1.7–2 mm. The colour is mainly olive-brown, with the chelicerae and pedipalps pale reddish-brown.

Distribution and habitat
The species occurs in the Western District of Victoria. The type locality is Mount Widderin Cave, Skipton, 166 km west of Melbourne.

Behaviour
The pseudoscorpions are cave-dwelling, terrestrial predators.