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54 Million years ago in north America and the most recent fossils found are 50 million years ago in Europe
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Eohippus" dawn horse". This is the size of a fox. it has four toes, a short tail, and only 2 toes on hind feet. (earliest modern horse)
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TheMESOHIPPUS appeared. it had three toes that transformed into little hooves. This is becasue of the climate change and more grasslands
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MERYCHIPPUS-20 million years ago- adapted to grazing grass--> modern day horse. It is 35 inches taller, lived in heards. it had two outer toes and middle toes hardened into a hoof. 1st hooved horse!!
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PILOHIPPUS-15 million years ago. closest ancestor of the modern day horse. cloven hooves, callused stubs
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10,000 years ago. prehistoric horses are gone. climate change. Asia held the only horses left with few zebras. no horses in N.A
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5,000 years ago, asian nomads bring the horses to the united states and domesticatize them.
