''Calyptommatus nicterus'' is a species of

Squamata Squamata (, Latin ''squamatus'', 'scaly, having scales') is the largest order of reptiles, comprising lizards, snakes, and amphisbaenians (worm lizards), which are collectively known as squamates or scaled reptiles. With over 10,900 species, ...

in the family spectacled tegus. They are found in The Neo-tropics of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. They rely on running to move around. This is species of

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

in the family Gymnophthalmidae. It is endemic to

References

{{Taxonbar, from=Q5313603 Calyptommatus Reptiles of Brazil Endemic fauna of Brazil Reptiles described in 1991 Taxa named by Miguel Trefaut Rodrigues