Genus: Chelydontops CLUVER, 1975
Etymology: Greek, khelys, “turtle”, Greek, odont- (odous), “tooth” and Greek, ops, “face, appearance”: Turtle-toothed face.

Species: altidentals CLUVER, 1975
Etymology:

Holotype: SAM 11558

Locality: Die Cypher, Beaufort West, Western Cape Province, Cape Province.

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: Snout, occiput, partial lower jaw and cervical vertebrae.

Referred material:

Locality: Beukesplaas, Fraserburg, Northern 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:

SAM-12259: Skull and lower Jaw.