Genus: Zygaspis (round-headed worm lizards)

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)

Species native to southern Africa

Zygaspis ferox (Ferocious round-headed worm lizard)
Zygaspis nigra (Black round-headed worm lizard)
Zygaspis quadrifrons (Kalahari round-headed worm lizard)
Zygaspis vandami (Van Dam's round-headed worm lizard)
Zygaspis violacea (Violet round-headed worm lizard)