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a fossilized opabinia
Photo

The Burgess Shale

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several marine reptiles swim in the shallows
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Triassic Shallows

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a reef scene with fish and large "sea scorpions"
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A Silurian Reef

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an ancient whale scavenges in a kelp forest
Photo

Kelp Forest of the Neogene

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a grey, fossilized fish skeleton with a red background
Artículo

Bony Beginnings: The Rise of Vertebrate Innovation in the Devonian

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A shark tooth embedded in a bone
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What the Megalodon Left Behind

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Fossil mosasaur skull and partial skeleton sitting in what looks like the dirt it was excavated from.
Artículo

If You Build An Ocean, Sea Monsters Will Come

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ice cover simulation
Video

Receding Ice Cover

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The global conveyor belt moves water all around the world.
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Global Conveyer Belt

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paleobiology field equipment for excavating a fossil whale in central america
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Equipment for a Fossil Excavation

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Dr. Kathy Crane and colleagues stand on solid sea ice in the Canadian Arctic.
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Kathy Crane with colleagues on ice

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Hedbergella sliteri - this specific specimen is the "holotype" for this species. That means it is the reference point for what all members of the species should look like.
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Hedbergella sliteri

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