Exquisite ancient horse fossil preserves uterus with unborn foal

A specimen of the ancient horse Eurohippus messelensis has been discovered in Germany that preserves a fetus as well as parts of the uterus and associated tissues. It demonstrates that reproduction in early horses was very similar to that of modern horses, despite great differences in size and structure. Eurohippus messelensis had four toes on each forefoot and three toes on each the hind foot, and it was about the size of a modern fox terrier. The new find was unveiled at the 2014 Annual Meeting of the Society of Vertebrate Paleontology in Berlin.

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