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Lenticulina secans-- this “benthic” foram lives on the seafloor. This specimen was collected from southeastern Tanzania.
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Lenticulina secans

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Fossilezed Hallucigenia sparso with large white spines.
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Hallucigenia

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a fossilized ancient sea creature
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Wiwaxia

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Two nurse sharks hover over a baited cage
Lesson Plan

Fossil Forams and the Scientific Process

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Forams are tiny single-celled organisms.
Slideshow

Foraminifera

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a group of ichthyosaurs swims at the ocean's surface
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Ichthyosaur Nursery

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An archaeologist arranges a deep-sea core.
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Sediment Cores

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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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Rudist clams are mollusks that went extinct about 65 million years ago.
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Rudist Clams

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An illustration of a recently discovered species of Monodontid, Bohaskaia monodontoides, and its beluga and narwhale relatives
Article

Smithsonian Scientists Describe a 'New' Fossil Whale

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Two men each hold a ceramic vessel at the archaeological excavation
Article

Archaeologists Study Early Whaling Community in Quebec, Canada

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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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