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a fossilized ancient sea creature
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Wiwaxia

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An image of a Anomalocaris canadensis fossil.
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Anomalocaris canadensis

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A handful of fossil pieces from the Cambrian period sit on a gray background.
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Scientists and Fossils

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A rendering of an underwater marine scene from the Cambrian Period, featuring an arthropod, annelids, and other animals.
Slideshow

A Collection of Cambrian Fossils

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A scientific diagram containing photos and illustrations of the bones and teeth of fossil whales.
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Bones and Teeth of South America's Oldest Fossil Whales

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Offshore Peru, during the Eocene (~56-34 million years ago), showing two archaeocetes (ancient whales): Ocucajea picklingi and Supayacetus muizon.
Article

New Archaeocetes from Peru Are the Oldest Fossil Whales from South America

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Two men each hold a ceramic vessel at the archaeological excavation
Article

Archaeologists Study Early Whaling Community in Quebec, Canada

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A hippopotamus-like creature swims underwater
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Desmostylia

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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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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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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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Scientists remove remove the whale fossil plaster jacket from the r
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Excavating the Fossil

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