Liolaemus is one of the largest radiations of lizards with more than 289 species described. Little is known about the reproductive characteristics and natural history of the majority of these species. Within the L. fitzingerii group, we find L. xanthoviridis is distributed in an area around the Montemayor Plateau in the eastern Atlantic coast of Chubut Province, Argentina. We present the first data on some reproductive traits of this species. Liolaemus xanthoviridis is an oviparous species, that presented a seasonal reproduction (spring - summer) and the clutch size was positively associated with female size, in average the clutch size was eight eggs.