Search

Showing results for

Content type

Article Type

Topics

Tags

Illustration of the extinct ammonite, related to the modern squid.
Photo

Ammonite

View Image
An archaeologist arranges a deep-sea core.
Photo

Sediment Cores

View Image
a fossilized ancient sea creature
Photo

Wiwaxia

View Image
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

See the Full Slideshow
Two nurse sharks hover over a baited cage
Lesson Plan

Fossil Forams and the Scientific Process

Read the Full Overview
Color illustration of an ancient bivalve.
Slideshow

Rudist Reefs

See the Full Slideshow
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)

View Image
Notice the pink tentacles, which “recliners” used to filter feed.
Photo

Recliner Rudists

View Image
An illustration of the megalodon shark.
Photo

Ancient Giant Megatooth Shark

View Image
Color illustration of an ancient bivalve.
Photo

Elevator Rudists

View Image
ichthyosaurs frolic in the waves
Article

Form Equals Function for Ancient Sea Lizards and Modern Whales

Read the Full Article
World map during last ice age
Photo

Ice Age Map of the World

View Image