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n.1.(Paleon.) A large American Miocene mammal, allied to the rhinoceros, and more nearly to the extinct Brontotherium.
References in periodicals archive ?
Santa Ana: A complete mandible, incorrectly referred to Titanotherium (Larde-y-Larin, 1950), is most likely a proboscidean (Cisneros, 2008); also, Laurito (1988) reported two Cuvieronius hyodon molars from Santa Ana.