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Globotruncana falsostuarti -- a foram that lived about 75 million years ago, during the Cretaceous Period.
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Globotruncana falsostuarti

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A rendering of an underwater marine scene from the Proterozoic Eon, featuring a creature that resembles a jellyfish and other organisms.
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Ediacaran Community, Proterozoic Eon (2,500 - 542 Million Years Ago)

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Offshore Peru, during the Eocene (~56-34 million years ago), showing two archaeocetes (ancient whales): Ocucajea picklingi and Supayacetus muizon.
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New Archaeocetes from Peru Are the Oldest Fossil Whales from South America

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Colorful illustration of extinct Archaeocyatha that lived on the seafloor.
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Archaeocyatha

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An illustration of a recently discovered species of Monodontid, Bohaskaia monodontoides, and its beluga and narwhale relatives
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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
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Fossil Whale Found, Excavated, Jacketed, and Returned to STRI!

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

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Two men each hold a ceramic vessel at the archaeological excavation
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Archaeologists Study Early Whaling Community in Quebec, Canada

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A hippopotamus-like creature swims underwater
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Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

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Smithsonian researchers eat a meal in preparation for a fossil excavation
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A Squalodontid Success

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