Genus: Myocephalus BROOM, 1936
Etymology: Greek, mys, “mouse”, Greek, kephale, “head”, + us: Mouse head.

Species: crassidens BROOM, 1936
Etymology: Latin, crassus, "dense, thick" and Latin, dens, "tooth."

Holotype: SAM 6214

Locality: Unknown, probably somewhere near Aliwal North District, East Cape Province, South Africa.

Horizon: Burgersdorp Formation, Tarkastad Subgroup.

Biostratigraphy: Cynognathus zone.

Age: Spathian Stage, uppermost Scythian Epoch to Anisian Stage, lowermost Mid Triassic Epoch, Early to Middle Triassic.

Material: Skull.