Tiny mammal was ancestor of cetaceans

The skeleton of a whale hangsThe skeleton of a whale hangs in a cetaceans museum in Puerto Calero, Spain. A tiny deer-like mammal was the forerunner of whales, dolphins and porpoises, according to a study released by Nature, the weekly British science journal.

IndohyusThis handout artist rendering shows The 48 million year old ungulate Indohyus from India. Indohyus is a close relative of whales, and the structure of its bones and chemistry of its teeth indicate that it spent much time in water. In this reconstruction, it is seen diving in a stream, much like the modern African Mousedeer does when in danger.


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