Named By: C. A. Sidor & B. S. Rubidge - 2006.
Classification: Chordata, Synapsida, Therapsida, Biarmosuchia.
Species: H. hopsoni (type).
Size: Skull 13 centimetres long. Total length roughly estimated about 1 meter long.
Known locations: South Africa - Teekloof Formation.
Time period: Wuchiapingian of the Permian.
Fossil representation: Skulls and mandible (lower jaw), from two individuals.
Herpetoskylax was a biarmosuchian (relative to the better known Biarmosuchus) therapsid that lived in South Africa towards the end of the Mid Permian period. So far the genus is only known from skulls and lower jaws, but as a biarmosuchian, Herpetoskylax would have been a predator.
- Herpetoskylax hopsoni, a new biarmosuchian (Therapsida: Biarmosuchia) from the Beaufort Group of South Africa, by C. A. Sidor & B. S. Rubidge - In Amniote Paleobiology, prespetives on the Evolution of mammals, birds and reptiles - M. T. Carrano, T. J. gaudin, R. W. Blob & J. R. Wible [eds] - Chicago University Press. - 2006.