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  • Article (15)
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the skull of a mosasaur
Article

Meals of the Mighty Mosasaur

Between 100 and 65 million years ago, at the time when dinosaurs reigned on land,...
November 2018
Fossil mosasaur skull and partial skeleton sitting in what looks like the dirt it was excavated from.
Article

If You Build An Ocean, Sea Monsters Will Come

Building a productive ocean is complicated. The process is long (on the order of...
October 2018
ichthyosaurs frolic in the waves
Article

Form Equals Function for Ancient Sea Lizards and Modern Whales

In the ocean there once lived a creature built for predatory prowess. It had teeth...
April 2019
A shark tooth embedded in a bone
Article

What the Megalodon Left Behind

The largest shark ever to exist on this planet, Carcharocles megalodon, could grow...
July 2018
An ancient whale ancestor
video

Evolution of Whales Animation

Whales have existed for millions of years. Watch this animation, from the Sant...
Wed, 09/30/2009 - 11:21
A rendering of an underwater marine scene from the Cambrian Period, featuring an arthropod, annelids, and other animals.
slideshow

A Collection of Cambrian Fossils

When you're standing in a museum surrounded by fossils, you can almost imagine...
Tue, 10/01/2013 - 10:03
Photograph of the model of a Giant Megatooth Shark, taken from the front..
slideshow

Shark Ancestors

Long before great white sharks appeared, much larger ancestors roamed the ocean....
Thu, 12/17/2009 - 17:55
Although in reality an ichthyosaur and plesiosaur would have likely never battled, this widely shared lithograph by artist, geologist and paleontologist Henry De la Beche even inspired author Jules Verne to pen a similar scene in his book, Journey to the C
Article

Unearthing History: Mary Anning's Hunt for Prehistoric Ocean Giants

You may not have realized it, but you’ve been acquainted with Mary Anning since...
March 2016
A hippopotamus-like creature swims underwater
Article

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 An Extinct Mammal May Have Been Replaced By Today's Sea Cows

In the seagrass beds and kelp forests of the Oligocene-Miocene transition, nearly...
August 2016
A close-up image of a fossil shark jaw with teeth.

Shark Teeth Tell Great White Shark Evolution Story

For the last 150 years, paleontologists have debated the origins of the great white...
November 2012
A rendering of an underwater marine scene depicting life ~145-65 million years ago, when rudist clams were the major reef builders.

Long Before Coral, Mollusks Built the Ocean's Reefs

About 100 million years ago, during the heyday of the dinosaurs, reefs were built...
December 2009
Nick Pyenson points to a skull and skeleton of a fossil whale.
Personal Perspectives

Excavating a "toothed" baleen whale from Vancouver Island

The whales that we see in today's world can broadly be split into two groups: those...
May 2012

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