In Depth
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.
Further Reading
- A new burnetiamorph (Therapsida: Biarmosuchia) from the lower Beaufort Group of South Africa. - B. S. Rubidge & J. W. Kitching - 2003.