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A shark tooth embedded in a bone
Article

What the Megalodon Left Behind

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Ocean Overtime Timeline.
Photo

Ocean Over Time

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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 image of a Anomalocaris canadensis fossil.
Photo

Anomalocaris canadensis

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

If You Build An Ocean, Sea Monsters Will Come

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a fossilized ancient sea creature
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Wiwaxia

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On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
Overview

Sea Level Rise

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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.
Photo

Ediacaran Community, Proterozoic Eon (2,500 - 542 Million Years Ago)

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Artistic rendering of an ancient shark, Helicoprion.
Photo

Illustration of Helicoprion

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

Multispecies Communities of Seacows

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A rendering of an underwater marine scene depicting life ~145-65 million years ago, when rudist clams were the major reef builders.
Photo

Carbonate Reef (Cretaceous Period: 145 - 65 Million Years Ago)

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