Chironius is a genus of New World colubrid snakes, commonly called sipos (from the Portuguese word cipĆ³ for liana), savanes, or sometimes vine snakes. There are sixteen described species in this genus with the last species being described in 2010.
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