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Walrus Rests on Ice
Walruses use sea ice as platforms on which to nurse their young and launch their...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
Two fossilized teeth from a megalodon (Carcharodon megalodon) dating back more than...
Giant Megatooth Model
A life-sized model suspended over visitors at the San Diego Natural History Museum...
Built for Speed
Great White Sharks (Carcharodon carcharias) are powerful swimmers, capable of going...
TOPP cartoon of Omoo
Omoo, a Great White Shark (Carcharodon carcharias), carries a satellite tag that...