<I>Sifrhippus</I> (IMAGE)

University of Nebraska-Lincoln

<I>Sifrhippus</I>

Caption

This is an artist's reconstruction of Sifrhippus sandrae (right) touching noses with a modern Morgan horse (left) that stands about 5 feet high at the shoulders and weighs about 1,000 pounds. Sifrhippus was the size of a small house cat (about 8.5 pounds) at the beginning of the Eocene (approximately 55.8 million years ago) and is the earliest known horse.

Credit

Danielle Byerley, Florida Museum of Natural History.

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