Species: atavus BROOM, 1911
Etymology: Latin, atavus, "great-grandfathers’ grandfather"

Holotype: SAM 1871

Locality: From a road cut near summit of the of Barkly Pass, Elliot District, (?)31°27'S, 27°51'E, Cape Province, South Africa.

Horizon: Clarens Formation, Stormberg Series.

Biostratigraphy:

Age: Late Triassic.

Material: A badly crushed fragments of a skull, anterior part of the dentary, predentary, stumps of 9 teeth, fragmentary premaxilla, maxilla, tibia, fibula, and partial pes.