Species: vanderrieti BROOM, 1903
Etymology:

Holotype: University of Stellenbosh

Locality: “Groot Vlakte”, Karroo, 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.

Referred material:

HEEVER, 1994

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

GS M793: Fragmentary skull.

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Species: mackayi BROOM, 1903
Etymology:

Holotype: SAM 633

Locality: East London, South Africa.

Horizon: Hoedemaker member, Middle Teekloof Formation.

Biostratigraphy: ?Tropidostoma zone (Tropidostoma-Endothidon Assemblage zone KEYSER, 1979, SACS, 1980, Tropidostoma microtrema zone KEYSER & SMITH, 1977-78, Lower Cistecephalus zone KITCHING, 1970, 1977, Endothiodon zone, WATSON, 1914).

Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.

Material: Fragmentary maxilla and 1 or 2 other very imperfect fragments of skull.