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Prehistoric Shark Gallery Tour the Ancient Seas Make Your Own Shark
The American Museum of Natural History
The Search for Ancient Sharks
About 260 million years ago,Orthacanthuswas the terror of freshwater swamps and bayous in Europe and North America. Its eel-like body reached nearly 10 feet in length and its powerful jaws were lined with double-fanged teeth. Here it is about to make a meal of a small "horned" amphibian.Orthacanthusbelongs to a group of very successful sharks that lived mainly in fresh waters. They first appeared almost 400 million years ago, and became extinct just before the "Age of the Dinosaurs," about 225 million years ago.


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Picture: D.W. Miller |
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