Author:
Carlos Gardón Juan,Satué Katy
Abstract
The history of horses can be traced back to over 50 million years ago when they first evolved in North America. According to a study published by Prothero in 2017 [1], horses' evolution can be traced through their teeth, and they found that the earliest known horse, called Hyracotherium or Eohippus, was about the size of a small dog and had four toes on its front feet and three toes on its back feet. Over time, horses evolved into larger and more powerful animals with a single toe on each foot.
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