Suborder †Toxodonta | Phylum Chordata Rank Family | |
 | ||
Similar Notohippidae, Notoungulata, Scarrittia, Archaeohyracidae, Toxodonta | ||
Leontiniidae is an extinct family comprising eleven genera of notoungulate mammals known from the middle Eocene through middle Miocene of South America (McKenna and Bell, 1997).
References
Leontiniidae Wikipedia(Text) CC BY-SA