
Toxodon is an extinct mammal of the late Pliocene and Pleistocene epochs about 2.6 million to 16,500 years ago. It was indigenous to South America, and was probably the most common large-hoofed mammal in South America at the time of its existence. Charles Darwin was one of the first to collect Toxodon fossils, after paying 18 pence for a T. platen...
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http://en.wikipedia.org/wiki/Toxodon

• (n.) A gigantic extinct herbivorous mammal from South America, having teeth bent like a bow. It is the type of the order Toxodonta.
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http://thinkexist.com/dictionary/meaning/toxodon/

genus of extinct mammals of the Late Pliocene and Pleistocene epochs in South America (the Pliocene Epoch preceded the Pleistocene and ended about ... [1 related articles]
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http://www.britannica.com/eb/a-z/t/67
Tox'o·don noun [ Greek
to`xon a bow + ..., ..., a tooth.]
(Paleon.) A gigantic extinct herbivorous mammal from South America, having teeth bent like a bow. It is the type of the order Toxodonta.
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http://www.encyclo.co.uk/webster/T/78

The toxodon was a large three-toed ungulate mammal as tall and heavily built as a rhinoceros, which lived in South America in late Tertiary times.
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http://www.probertencyclopaedia.com/browse/BT.HTM
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