Paleontologists have identified a new species of the axolotl genus Ambystoma from several fossilized specimens found deep in the rocky outcrops of the Mexican state of Hidalgo. Named Ambystoma quetzalcoatli, the species is closely related to the living species from the central part of the Trans-Mexican Volcanic Belt, including the modern Mexican axolotl (Ambystoma mexicanum) and other lake-dwelling species. Reconstruction of the Santa María Amajac...
