Species: acutus BROOM, 1908
Etymology:
Holotype: SAM 1076
Locality: Rietfontein, Prince Albert Distict, 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: Preorbital portion of skull.
_____________________________________________________________________________________
Species: major BROOM, 1915
Etymology: Latin, major, "greater."
= Trochosaurus major (BROOM, 1915)
Holotype: AMNH 5543
Locality: Rietfontein, Prince Albert Distict, 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, Lower Pareiasaurus zone, BROOM, 1906), or Pristerognathus zone (Pristerognathus-Diictodon zone, KEYSER, 1979, SACS, 1990, KEYSER & SMITH, 1977-78, Upper Tapinocephalus zone KITCHING, 1970, 1977, WATSON, 1914, Upper Pareiasaurus zone BROOM, 1906).
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Fragmentary skull.
Referred material:
= Trochosaurus intermedius HAUGHTON, 1915
Holotype: BMNH R5747
Locality: Unknown, 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: Skull and dentary.
_____________________________________________________________________________________
Species: dirus (BROOM, 1936)
Etymology:
= Trochosaurus dirus BROOM, 1936
Holotype:
Locality: Unknown, South Africa.
Horizon: Unknown.
Biostratigraphy:
Age: Late Permian.
Material: Imperfect snout.