The first known Seacow: Pezosiren portelli

Daryl Domning finds two meter long four-legged 50 Mill. year old Sea Cow in Jamaica.

Like the hippo today, the fossilized animal could live on land or in water. "The hippo spends its days resting in the water and its nights on land searching for food," Domning said: "We think this animal spent much more of its time in the water."

The full Story at: National Geographic

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