Aspidoscelis tigris septentrionalis, male. Beaver Dam Wash, Washington Co., Utah. Dr. O.Cuellar specimen. 1987. ksm87.0621. Detail of circumorbital scales.
The is the largest of the Tegu lizards, found in southern Brazil and northern Argentina. It is known as Salvator Merianae, and is one of the species called Largato Overo. Buenos Aires Zoo. In context at www.dixpix.ca/Amazon/fauna/snakes/index.html