Species: gracilis BOONSTRA, 1954
Etymology: Latin, gracilis, "slender."
Holotype: SAM 4321
Locality: Prince Albert Road in the Prince Albert Division in the Koup, 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: Fragmentary skull and dentary.
Modified from Boonstra (1954).