1) Genus xenosaurus 2) Reptile genus 
Xenosaurus is a lizard genus which belongs to the family of Xenosauridae. ==Classification== Genus ``Xenosaurus`` ...
[n] - type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles
genus Xenosaurus noun type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles