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An artistic rendering of an ocean landscape as it may have looked during the Archean Eon.

Slideshow

The Ocean Throughout Geologic Time, An Image Gallery

September 2011

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

Photo

Cambrian Period (542 – 488 Million Years Ago)

September 2011

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)

September 2011