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 separate American genera towards the European horned genera. A genus sometimes united with Aceratherium, but still differing from it in some points, is Aphelops (Teleoceras). This animal is more nearly approximated to "the modern standard" of Rhinoceroses than is its possible ancestor Aceratherium.



The skeleton in general is more robust, even surpassing that of modern forms, and approaching the Hippopotamus. There is a reduction in the upper incisors, which are limited to two pairs, and the lower molars