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Screenshot from video "Excavating an Extinct Toothed Whale" showing two scientists digging in the ground for fossils.
Video

Excavating an Extinct Toothed Whale

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a group of ichthyosaurs swims at the ocean's surface
Photo

Ichthyosaur Nursery

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Photograph of the model of a Giant Megatooth Shark, taken from the front..
Photo

Giant Megatooth Model

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A hippopotamus-like creature swims underwater
Article

Flippers or Feet? An Extinct Mammal May Have Been Replaced By Today's Sea Cows

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400 to 1,000 year old bones from an endangered seabird, the Hawaiian petrel. Bones such as these provide a window into the lives of seabirds before and after human arrival in the open ocean environments of the North Pacific.
Photo

Petrel Bones Help Us Understand History

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This jellyfish fossil is from the Cambrian period, more than 500 million years ago.
Photo

Fossil Jellyfish

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

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dugong feeds on seagrass in the Red Sea
Photo

Dugong Feeding

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The first known filter feeder is a large shrimp-like creature called Tamisiocaris borealis. The feather-like structures on its head were used to rake plankton from the sea.
Photo

The First Filter Feeder

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

The Discovery of Multispecies Communities of Seacows

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A skeleton of an ichthyosaur
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An Ichthyosaur's Bones

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