Species: parvus BROOM, 1913
Etymology:
Holotype: AMG 3751
Locality: Hottentots River, Beaufort West District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Tapinocephalus zone (Dinocephalian zone KEYSER, 1979, SACS, 1980, KEYSER & SMITH, 1977-78, Lower Tapinocephalus zone, KITCHING, 1970, 1977, WATSON, 1914).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull.
Referred material:
= Scylacognathus major BROOM, 1935
Etymology: Latin, major, "greater."Holotype: TMP 256
Locality: Leeuwklooff, Beaufort West District, Western Cape Province, South Africa.
Horizon:
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Fragmentary skull.
Referred material:
Locality: Unknown, South Africa.
Horizon:
Biostratigraphy: Equivalent to the Dicynodon Assemblage zone (formerly Dicynodon lacerticeps-Whaitsia zone of KEYSER, 1979, SACS, 1980, Daptocephalus zone of KITCHING, 1970, 1977, Upper Cistecephalus Zone of WATSON, 1914).
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material:
BP 399: Fragmentary skull.