Zygaspis quadrifrons (Kalahari round-headed worm lizard)

Life > Eukaryotes > Opisthokonta > Metazoa (animals) > Bilateria > Deuterostomia > Chordata > Craniata > Vertebrata (vertebrates)  > Gnathostomata (jawed vertebrates) > Teleostomi (teleost fish) > Osteichthyes (bony fish) > Class: Sarcopterygii (lobe-finned fish) > Stegocephalia (terrestrial vertebrates) > Tetrapoda (four-legged vertebrates) > Reptiliomorpha > Amniota > Reptilia (reptiles) > Romeriida > Diapsida > Lepidosauromorpha > Lepidosauria > Squamata (lizards and snakes) > Family: Amphisbaenidae (worm lizards) > Genus: Zygaspis

Zygaspis quadrifrons, Northern Cape. [photo le Roux E.R. & le Roux B.A. ©, from SARCA Virtual Museum]