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Related articles:
Basilosaurus
Porpoise
Dolphin
Clade
Whale
Hippopotamus
Key terms: whales bw modern em cetaceans animal lived evolution bones adapted dolphin prey baleen fossil melon teeth ancestors artiodactyls hind legs reconstruction mammals echolocation earliest snout miocene vertebrae skulls basilosaurus hoofed looked modern whales discovery aquatic hearing extinct anatomy origins underwater creature ungulate some modern triangular characteristic carnivorous million years ago nasal openings toothed whales evolution of whales animal echolocation Search external links cited by footnotes on Wikipedia page Evolution of cetaceans: |
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