Trigodon (Trigodon Ameghino, 1887)
Time period: Miocene of South America (11,6 – 7,2 Ma)
Size: 3 m in length, 180 cm in height, 2500kg of weight
Typical representative: Trigodon gaudryi Ameghino, 1887
Trigodon gaudryi is an extinct species of the family Toxodontidae, a large bodied notoungulate which inhabited South America during the Miocene living from 11.61—7.25 Ma and existed for approximately . It bore a strong, albeit superficial resemblance to a rhinoceros, in that it had a horn on its forehead.