Leontinia is an extinct genus of leontiniid notoungulate. Fossils have been found from the Deseado Formation in Argentina, and are the most abundant remains of any animal found there. The genus dates back to the late Oligocene.
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