Protochelifer cavernarumProtochelifer cavernarum is a species of pseudoscorpion in the Cheliferidae family. It is endemic to Australia. It was described in 1967 by Austrian arachnologist Max Beier.Distribution and habitatThe species occurs in southern mainland Australia. The type locality is Murder Cave at the Cliefden Caves site, Mandurama, New South Wales.BehaviourThe pseudoscorpions are cave dwelling, terrestrial predators.