PaleoDB taxon number: 335888
Full reference: C. A. Sidor and B. S. Rubidge. 2006. Herpetoskylax hopsoni, a new biarmosuchian (Therapsida: Biarmosuchia) from the Beaufort Group of South Africa. Amniote Paleobiology: Perspectives on the Evolution of Mammals, Birds, and Reptiles 76-113
Sister taxa: none
Type specimen: CGP 1/67, a skull. Its type locality is Matjiesfontein, which is in a Wuchiapingian terrestrial horizon in South Africa.