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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 An Extinct Mammal May Have Been Replaced By Today's Sea Cows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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Smithsonian Scientists Dig a Trench Around a squalodontid Skull
Article

Expedition to Excavate a Fossil Whale

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A close-up image of a fossil shark jaw with teeth.
Article

Shark Teeth Tell Great White Shark Evolution Story

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Smithsonian researchers eat a meal in preparation for a fossil excavation
Slideshow

A Squalodontid Success

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Smithsonian scientists race the tide the excavate an ancient whale fossil entombed in rock
Article

Fossil Whale Found, Excavated, Jacketed, and Returned to STRI!

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Fossil Whale Digsite at Cerro Ballena, Chile
Article

The Whale Graveyard Whodunit

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An illustration of multispecies communities of dugongs from India, Mexico and Florida
Article

The Discovery of Multispecies Communities of Seacows

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A 3-D reconstruction of the skull of a fin whale fetus.
Article

Keeping An Ear Out For Whale Evolution

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Two nurse sharks hover over a baited cage
Lesson Plan

The Methane Circus

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Two nurse sharks hover over a baited cage
Lesson Plan

The Puzzle of Ice Age Americans

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A shark tooth embedded in a bone
Article

What the Megalodon Left Behind

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