Pseudotyrannochthonius australiensis is a species of pseudoscorpion in the Pseudotyrannochthoniidae family. It is endemic to Australia. It was described in 1966 by Austrian arachnologist Max Beier.[1]
The species occurs in eastern New South Wales. The type locality is Edith, some 11 km south-east of Oberon.[1]
The pseudoscorpions are terrestrial predators that inhabit plant litter.[1]