CT scans of a 25 million year-old fossil skull show the Aetiocetus weltoni had both teeth and baleen, unlike modern whales. A strange phenomenon happens with modern blue whales, humpback whales and ...

No evidence for evolution There is no evidence that evolution has occurred because no transitional forms exist in fossils i.e. scientists cannot prove with fossils that fish evolved into amphibians or ...

The evidence the scientists offer for early baleen comes from fossils of a whale called Aetiocetus. Baleen doesn't fossilize easily, but it leaves evidence of its existence on whale skulls, which do.

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A strange phenomenon happens with modern blue whales, humpback whales and gray whales: they have teeth in the womb but are born toothless. Replacing the teeth is baleen, a series of plates composed of ...

It’s time to add a new chapter to the Whale Chronicles…. Most of those lineages of early whales became extinct. Living whales belong to only two lineages that emerged about 35 million years ago. One ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...