<p>Millions of years ago, prehistoric sea creatures swam Earth's waters. This image gallery offers a glimpse at what these "sea monsters" may have looked like.</p> <p>Pictured here: A prehistoric squid. Remains of these animals have been found near Australia, Germany, and in the Western Interior Seaway, a vast sea that once bisected North America.</p> <p>&nbsp;</p> <p><i><b>&nbsp;</b></i></p>

Squid

Millions of years ago, prehistoric sea creatures swam Earth's waters. This image gallery offers a glimpse at what these "sea monsters" may have looked like.

Pictured here: A prehistoric squid. Remains of these animals have been found near Australia, Germany, and in the Western Interior Seaway, a vast sea that once bisected North America.

 

 

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Image Gallery: Sea Monsters

See prehistoric sea creatures pictures in this gallery from National Geographic.

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