''Xenosaurus rectocollaris'', sometimes known as the pallid knob-scaled lizard, is a species of
viviparous 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 ...
. It is
endemic to
Mexico where it is known from the
Sierra Madre de Oaxaca of
Oaxaca and
Puebla
Puebla ( en, colony, settlement), officially Free and Sovereign State of Puebla ( es, Estado Libre y Soberano de Puebla), is one of the 32 states which comprise the Federal Entities of Mexico. It is divided into 217 municipalities and its cap ...
states.
[ It is a rare species occurring in rock crevices in pristine semi-arid areas.][
]
References
Xenosauridae
Endemic reptiles of Mexico
Fauna of the Sierra Madre de Oaxaca
Reptiles described in 1993
Taxa named by Hobart Muir Smith
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