Synsphyronus nullarborensisSynsphyronus nullarborensis is a species of pseudoscorpion in the Garypidae family. It is endemic to Australia. It was described in 1969 by Austrian arachnologist Max Beier.Distribution and habitatThe species occurs on the Nullarbor Plain of South Australia and Western Australia. The type locality is Toolinna Rockhole.BehaviourThe pseudoscorpions are terrestrial predators.