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Smithsonian researchers eat a meal in preparation for a fossil excavation
Slideshow

A Squalodontid Success

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

Shark Ancestors

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

A Collection of Cambrian Fossils

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Screenshot from video showing tiny foraminifera.
Video

Foraminifera on the Seafloor

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A close up of a sediment core.
Photo

Sediment Core Close-Up

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A fossil imprint of Haplophrentis carinatus with two oar-like appendages.
Photo

Haplophrentis carinatus

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A handful of fossil pieces from the Cambrian period sit on a gray background.
Photo

Scientists and Fossils

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

Archaeocyatha

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Illustration of Opabinia with five eyes and what look like scales.
Photo

Opabinia

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A fossil imprint of Ottoia prolifica.
Photo

Ottoia prolifica

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An image of a Anomalocaris canadensis fossil.
Photo

Anomalocaris canadensis

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A bright illustration of extinct predator Hurdia victoria.
Photo

Hurdia Victoria

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