Genus: Chelyoposaurus BROOM, 1904
Etymology: Greek, khelys, “turtle”, Greek, op- (ops), “face, appearance” and Greek, sauros, “lizard”: Turtle face lizard.

Species: williamsi BROOM, 1904
Etymology:

Holotype:

Locality: Kimberly mines, South Africa.

Horizon:

Biostratigraphy: Cistecephalus zone.

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

Material: Almost complete left temporal arch, large part of maxilla, part of left mandible and various elements of postcranial skeleton.