Sathrochthonius tuenaSathrochthonius tuena is a species of pseudoscorpion in the Chthoniidae family. It is endemic to Australia. It was described in 1962 by American arachnologist Joseph Conrad Chamberlin.Distribution and habitatThe species occurs in eastern New South Wales. The type locality is ‘probably in the Blue Mountains near Sydney’.BehaviourThe pseudoscorpions are cave-dwelling, terrestrial predators.