''Sceloporus zosteromus'', the central Baja spiny lizard or Monserrat Island spiny lizard, is a species of lizard in the family

Phrynosomatidae The Phrynosomatidae are a diverse family of lizards, sometimes classified as a subfamily (Phrynosomatinae), found from Panama to the extreme south of Canada. Many members of the group are adapted to life in hot, sandy deserts, although the spiny ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to Mexico.

References

Sceloporus Reptiles of Mexico Reptiles described in 1863 Taxa named by Edward Drinker Cope {{lizard-stub