Tyrannochthonius laevisTyrannochthonius laevis is a species of pseudoscorpion in the Chthoniidae family. It is endemic to Australia. It was described in 1966 by Austrian arachnologist Max Beier.Distribution and habitatThe species occurs in the Kimberley region of North West Australia. The type locality is the Kimberley Research Station, Kununurra.BehaviourThe arachnids are terrestrial predators.