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A hippopotamus-like creature swims underwater
Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

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Blue whale skull being installed at National Museum of Natural History.
Article

When Did Today’s Whales Get So Big?

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A screenshot from the video showing a Palauan primitive cave eel.
Video

Video of the Palauan primitive cave eel (Protanguilla palau)

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Smithsonian Scientists Dig a Trench Around a squalodontid Skull
Article

Expedition to Excavate a Fossil Whale

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An illustration of a recently discovered species of Monodontid, Bohaskaia monodontoides, and its beluga and narwhale relatives
Article

Smithsonian Scientists Describe a 'New' Fossil Whale

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