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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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Artistic rendering of an ancient shark, Helicoprion.
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Illustration of Helicoprion

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Census researchers discovered this sea cucumber (Enypniastes sp.) in the Gulf of Mexico.
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Transparent Sea Cucumber

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This urchin (Echinocrepis rostrata) leaves tracks as it moves across the ocean floor.
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Deep-Sea Urchin

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A purple hard coral releases bundles of pink eggs glued together with sperm.
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Coral Spawning

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The largest of the Atlantic shearwaters, Cory's Shearwater (Calonectris borealis) can often be spotted by its casual wingbeat and gliding flight.
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Cory's Shearwaters Bicker

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Antarctica is almost entirely covered by ice sheets up to two miles (3 km) thick, which contain roughly 70% of the world’s freshwater.
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Ross Sea Ice Shelf

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The frogfish is an expert hunter and can eat fish in 6 milliseconds.
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The Frogfish

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A photo of oceanographer Xavier Pastor aboard an Oceana research vessel surrounded by ice in the Baltic Sea
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Oceanographer Xavier Pastor

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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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Artist Shih Chieh Huang's creations are often composed of lights, computer parts, and plastic refuse.
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Artist Shih Chieh Huang

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The Pisces IV submersible sits on a saddle near Kingman Reef in Hawaii.
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Pisces IV Submersible

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