Genus: Herpetoskylax SIDOR & RUBIDGE, 2006
Etymology: Greek, herpeton, "creeping animal" and Greek, skylax, "young dog or
whelp."
Species: hopsoni SIDOR &RUBIDGE, 2006
Etymology: In honor of Dr. James A Hopson, for his pioneerng work on biarmosuchians.
Holotype: CGP 1/67
Locality: Farm Matjiesfontein (235), 32°14'05"S, 21°39'50"E, Beaufort West District, Western Cape Province, South Africa.
Horizon: Teekloof Formation, Beaufort Group.
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material: Well-preserved skull with lower jaw that is missing the zygomatic arhc, postorbital bar, and postdentary bones on the left side.
Referred material:
= Rubidgina sp SIGOGNEAU, 1970
Locality: Bultfontein, Richmond District, Free (Orange Free) State, South Africa.
Horizon: Teekloof Formation, Beaufort Group.
Biostratigraphy: Cistecephalus zone.
Age: Tatarian Age, Lopingian Subepoch, Zechstein Epoch, Late Permian.
Material:
BP/1/3924: Transversely compressed skull with lower jaw.