Eopululo is the oldest known genus of New World porcupines (Erethizontidae). It is known only from the possibly late Eocene Santa Rosa local fauna of eastern Peru. There is only one species in the genus, Eopululo wigmorei. It was described in 2004, and it is a member of one of the oldest rodent faunas known from South America.
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