Mixcoatlus is a small genus of pit vipers endemic to Mexico. The genus was created in 2011. The name Mixcoatlus is derived from the Nahuatl word Mixcoatl or "cloud serpent", a deity of the Aztec and several other Mesoamerican civilizations. This name also refers to the geographic restriction of this clade to elevations above 2,000 meters.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0