Ephippiochthonius tetrachelatusEphippiochthonius tetrachelatus is a species of pseudoscorpion in the Chthoniidae family. It was described in 1790 by Czech entomologist Johann Daniel Preyssler.Distribution and habitatThe species has a cosmopolitan distribution. It is thought to have been introduced to the Australian state of Victoria from Europe. The type locality is Bohemia, though the holotype is lost. The pseudoscorpions inhabit plant litter.BehaviourThe pseudoscorpions are terrestrial predators.