Xenosaurus

Xenosaurus is a genus of lizards; it is the only extant genus in the family Xenosauridae, with 14 species currently recognized. Also known as knob-scaled lizards, they can found in southwestern Tamaulipas and eastern Guerrero in Mexico. These lizards are known to feed on a variety of crawling and flying insects. This genus mostly eats orthopterans, coleopterans (beetles), dipterans, and myriapods.

Species
The following 14 species are recognized as being valid.


 * Xenosaurus agrenon King & F.G. Thompson, 1968
 * Xenosaurus arboreus Lynch & Smith, 1965
 * Xenosaurus fractus Nieto-Montes de Oca, Sánchez-Vega & Durán-Fuentes, 2018
 * Xenosaurus grandis (Gray, 1856)
 * Xenosaurus manipulus Nieto-Montes de Oca, Castresana-Villanueva, Canseco-Márquez, & Campbell, 2022
 * Xenosaurus mendozai Nieto-Montes de Oca et al., 2013
 * Xenosaurus newmanorum Taylor, 1949
 * Xenosaurus penai Pérez Ramos, de la Riva & Campbell, 2000
 * Xenosaurus phalaroanthereon Nieto-Montes de Oca, Campbell & Flores-Villela, 2001
 * Xenosaurus platyceps King & Thompson, 1968
 * Xenosaurus rackhami L.C. Stuart, 1941
 * Xenosaurus rectocollaris H.M. Smith & Iverson, 1993
 * Xenosaurus sanmartinensis Werler & Shannon, 1961 - San Martin knob-scaled lizard
 * Xenosaurus tzacualtipantecus Woolrich-Piña & G.R. Smith, 2012

Nota bene: A binomial authority in parentheses indicates that the species was originally described in a genus other than Xenosaurus.