Named By: B. S. Rubidge & J. W. Kitching - 2003.
Classification: Chordata, Synapsida, Therapsida, Biarmosuchia, Burnetiidae.
Species: B. jacksoni (type).
Size: Skull 15 centimetres long. Body roughly estimated at about 1 meter long.
Known locations: South Africa.
Time period: Capitanian of the Permian.
Fossil representation: Almost complete skull and lower jaw.
Bullacephalus is a genus of biarmosuchian therapsid, and at the time of the genus description is the earliest known appearance of a burnetiid. Bullacephalus is named from a boss-like projection of bone on the skull.
- A new burnetiamorph (Therapsida: Biarmosuchia) from the lower Beaufort Group of South Africa. - B. S. Rubidge & J. W. Kitching - 2003.