Saturday, February 15, 2014


Litopterna is an extinct order of fossil hoofed mammals (ungulates) from the Cenozoic period that displayed toe reduction - three-toed forms developed; there was even a one-toed horselike form. This order, known only from South America, was common and varied in early faunas and persisted, in decreasing variety, into the Pleistocene. The Litopterna occupied ecological roles as browsers and grazers similar to horses andcamels in Laurasia
(read more: Wikipedia)

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