Van Dam's girdled lizardVan Dam's girdled lizard is a species of lizard in the family Cordylidae. The species is endemic to South Africa.Geographic rangeThe type locality of S. vandami is Gravelotte, Limpopo, South Africa.HabitatThe preferred natural habitats of S. vandami are grassland and savanna.DescriptionA large lizard, S. vandami may attain a snout-vent length of. It has a triangular shaped head, and spiny dorsal scales. The predominant colour is dark brown with fragmented yellow rings.BehaviourS. vandami is largely solitary and hides in cracks in rocks.ReproductionS. vandami is ovoviviparous. From two to six young are born alive in summer.EtymologyThe species is named for the collector of the type specimens, Gerhardus Petrus Frederick van Dam, who was a South African herpetologist.Common namesOther common names for S. vandami include the Afrikaans name ouvolk, meaning "old folk".