Species: gracilis BROOM, 1910
Etymology: Latin, gracilis, "slender."
Holotype: AMNH 5317
Locality: Kuilspoort, Beaufort West District, Western Cape Province, South Africa.
Horizon: Middle Abrahamskraal Formation.
Biostratigraphy: Pristerognathus Assemblage zone (Diictodon-Pristerognathus Assemblage zone, Tapinocephalus zone of WATSON 1914, KITCHING, 1970,1977)
Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Skull.