The family Palorchestidae contains four genera with eight species described. All species are extinct. \n* Propalorchestes (Murray, 1986) \n* P. novaculocephalus (Murray, 1990) \n* P. painei (Murray, 1986) \n* Ngapakaldia (Stirton, 1967) \n* N. bonythoni (Stirton, 1967) \n* N. tedfordi (Stirton, 1967) \n* Palorchestes (Owen, 1873) \n* P. selestiae (Mackness, 1995) \n* P. paine (Woodburne, 1967) \n* P. azael (Owen, 1873) \n* Pitikantia dailyi (Stirton, 1967)