Rio Grande worm lizardThe Rio Grande worm lizard is a species of worm lizard in the family Amphisbaenidae. The species is endemic to Brazil.EtymologyThe specific name, pretrei, is in honor of French artist Jean-Gabriel Prêtre.DescriptionA. pretrei is reddish brown dorsally, and white ventrally. It may attain a snout-to-vent length of, with a tail long.ReproductionA. pretrei is oviparous.