Basin of Mexico, circa 1519. Source: https://upload.wikimedia.org/wikipedia/commons/9/99/Basin_of_Mexico_1519_map-en.svg

 
 
  Part of: Lemos-Espinal JA, Smith GR (2020) A conservation checklist of the amphibians and reptiles of Mexico City, with comparisons with adjoining states. ZooKeys 951: 109-131. https://doi.org/10.3897/zookeys.951.52578