Variability of population of Kentropyx from northern Argentina was studied using characters of lepidosis and coloration. A subspecific taxonomic level, Kentropyx viridistriga lagartija is proposed for Kentropyx lagartija, considering this subspecies a western form of the eastern one Kentropyx viridistriga viridistriga.
Tedesco, M. et al. (1994). Variabilidad poblacional en el género Kentropyx (Squamata: teiidae) del Norte argentino. Cuadernos de Herpetología, 8 (1), pp. 83-86