Genus: Scylacosaurus BROOM, 1903
Etymology: Greek, skylak- ( skylax), “young dog” and Greek, sauros, “lizard:” Dog, lizard.

Species: sclateri BROOM, 1903
Etymology:

Holotype: SAM 634

Locality: Coelsberg, South Africa.

Horizon:

Biostratigraphy: Cistecephalus zone (formerly Aulacephalodon-Cistecephalus zone KEYSER, 1979, SACS, 1980, Aulacephalodon baini zone KEYSER & SMITH, 1977-78, Upper Cistecephalus Zone, KITCHING, 1970, 77, Lower Cistecephalus zone WATSON, 1914).

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

Material: Fragmentary skull.

Referred material:

BRINK, 1986

Locality: Fraserbrug Road Station, Prince Albert Distict, Western Cape Province, South Africa.

Horizon: Middle Abrahamskraal Formation.

Biostratigraphy: Pristerognathus Assemblage zone (Diictodon-Pristerognathus Assemblage zone, Tapinocephalus zone of WATSON 1914, KITCHING, 1970,1977)

Age: Early Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.

Material:

BMNH R4055: A nearly complete with lower jaw, slightly weathered.