![From Land to Water: the Origin of Whales, Dolphins, and Porpoises | Evolution: Education and Outreach | Full Text From Land to Water: the Origin of Whales, Dolphins, and Porpoises | Evolution: Education and Outreach | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12052-009-0135-2/MediaObjects/12052_2009_135_Fig27_HTML.gif)
From Land to Water: the Origin of Whales, Dolphins, and Porpoises | Evolution: Education and Outreach | Full Text
The Whale Sanctuary Project - The ancestors of whales, dolphins and porpoises (known overall as cetaceans) were land animals, known to scientists as archaeocetes, who went aquatic about 50 million years ago.
![Irish Whale and Dolphin Group on Twitter: "🐬Believe it or not the ancestors of whales, dolphins and porpoises once lived on land! Their closest living relative today is thought to be the Irish Whale and Dolphin Group on Twitter: "🐬Believe it or not the ancestors of whales, dolphins and porpoises once lived on land! Their closest living relative today is thought to be the](https://pbs.twimg.com/media/E-Md5ETXsAANY_O.jpg:large)
Irish Whale and Dolphin Group on Twitter: "🐬Believe it or not the ancestors of whales, dolphins and porpoises once lived on land! Their closest living relative today is thought to be the
![This ancient species discovery finally explains where river dolphins come from | Fossils | Earth Touch News This ancient species discovery finally explains where river dolphins come from | Fossils | Earth Touch News](https://www.earthtouchnews.com/media/1426241/3184863584_4116f8f050_b.jpg)
This ancient species discovery finally explains where river dolphins come from | Fossils | Earth Touch News
![From Land to Water: the Origin of Whales, Dolphins, and Porpoises | Evolution: Education and Outreach | Full Text From Land to Water: the Origin of Whales, Dolphins, and Porpoises | Evolution: Education and Outreach | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs12052-009-0135-2/MediaObjects/12052_2009_135_Fig1_HTML.gif)