Prepotherium is an extinct genus of Prepotheriina ground sloths that lived during the Miocene period. Fossils of them have been found in Argentina. Prepotherium differed from Megatherium by being smaller and having a less exaggeratedly convex inferior border of the lower jaw.
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