Species: longiceps BROOM, 1925
Etymology:
Holotype: BMNH R5700
Locality: Biesjespoort Station, Victoria West District, Northern Cape Province, South Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Fragmentary skull.
Referred material:
= Hipposaurus rubidgei BROOM, 1940
Etymology:
= Hipposauroides rubidgei BOONSTRA, 1952Holotype: RC 20
Locality: Wellwood, Graaff Reinet District, Eastern Cape Province, South Africa.
Horizon:
Biostratigraphy: Dicynodon Assemblage zone (formerly Dicynodon lacerticeps-Whaitsia zone of KEYSER, 1979, SACS, 1980, Daptocephalus zone of KITCHING, 1870, 1977, Upper Cistecephalus Zone of WATSON, 1914).
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Anterior two-thirds of skull.