Nannippus is an extinct genus of horse endemic to North America during the Miocene through Pliocene, ~13.3—3.3 Ma, living approximately 11.1 million years. Nannippus lived as far south as Central Mexico (N. peninsulatus) to as far north as Canada (N. lenticularis), to California in the west, North Carolina (N. lenticularis) and Florida (N. peninsulatus) in the east.
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