Perissodactyla

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==Introduction==
==Introduction==
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The '''Perissodactyla''' or odd-toed ungulates are [[browsing]] and [[grazing]] [[mammal]]s distinguished by having an odd number of toes on the [[Hoof|hooves]] (either 1, 3, or 5).  Although early forms (Late [[Paleocene]] through to early or middle [[Eocene]]) were quite small, a number of lineages quickly evolved large to very large size. They were the primary mammalian herbivores from the Eocene to the [[Miocene]], at which time they were supplanted by the [[Artiodactyla]].  In contrast to the artiodactyls, perissodactyls have relatively simple stomachs and a generally large middle toe.  
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The '''Perissodactyla''' or odd-toed ungulates are [[browsing]] and [[grazing]] [[mammal]]s distinguished by having an odd number of toes on the [[Hoof|hooves]] (either 1, 3, or 5).  Although early forms (Late [[Paleocene]] through to early or middle [[Eocene]]) were quite small, a number of lineages quickly evolved large to very large size by the middle Eocene. They were the primary mammalian herbivores from the Eocene to the [[Miocene]], at which time they were supplanted by the [[Artiodactyla]].  In contrast to the artiodactyls, perissodactyls are hindgut fermentors (that is, they have relatively simple stomachs supplemented by a large caecum to hold and ferment digested food) and a generally large middle toe.  
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Revision as of 01:58, 18 June 2008

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