47 million-year-old horse fossil has unborn foal inside
47 million-year-old horse fossil has unborn foal inside 47 million years ago, when a thirsty pregnant horse was drinking from a freshwater lake, she was unaware that toxic volcanic gas could lead to her sudden demise. According to a new study— the fossilized remains of the mare and its tiny unborn foal are providing new insights into the reproduction in ancient […]
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