Toxodon platensis fossil, housed at the La Plata Museum。圖片來源：Lmalena，採用   CC BY-SA 4.0   授權 Age Quaternary（Late Pleistocene） 0.126–0.0117 Ma Taxonomy Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Notoungulata Family: Toxodontidae Genus: Toxodon Species: Toxodon platensis Morphological description Toxodon platensis  is one of the most iconic large herbivorous native ungulates of Pleistocene South America. Its skull and dentition display striking adaptive features.