Species: gracilis HAUGHTON, 1917
Etymology: Latin, gracilis, "slender."

Cotypes:

Locality: Harrismith, Free (Orange Free) State, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone (Lystrosaurus-Thrinaxodon zone, KEYSER, 1979, SACS, 1980, Procolophon zone, Lystrosaurus zone, WATSON, 1914, BROOM, 1906).

Age: Early Scythian Epoch, Early Triassic.

Material:

SAM 3526, 3526a: Skulls.

Referred material:

CLUVER, 1974

Locality: South Africa.

Horizon:

Biostratigraphy:

Age: Early Triassic.

Material:

BP 2701a: Skull.

BP 2701b: Skull and lower jaw.

BP 4269: Skull, lower jaw and fragmentary skeleton.

HAMMER & COSGRIFF, 1981

Locality: Collinson Ridge Locality in the Cumulus Hills, Queen Maud Mountains, Transantractic Range, East Antarctica, Antarctica.

Horizon: 42.5 meters about base level in the Fremouv Formation.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic Epoch, Early Middle Triassic.

Material:

WSU 0975: Nearly complete skull.

WSU 0976: Lower jaw.

 

MACUNGO, BENOIT, FERNANDEZ & ARAUJO, 2022

Locality: Kar0o Basin, South Africa.

Horizon: Katberg Formation, Beaufort Group.

Biostratigraphy: Lystrosaurus Assemblage zone (Lystrosaurus-Thrinaxodon zone, KEYSER, 1979, SACS, 1980, Procolophon zone, Lystrosaurus zone, WATSON, 1914, BROOM, 1906).

Age: Induan Stage, Early Scythian Epoch, Early Triassic.

Material:

BP/1/2690: Skull.

BP/1/20701a: Skull.