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Here is an ammonite, an extinct, shelled cephalopod related to the octopus and...
Sharks have young in three different ways. After internal fertilization, some...
Fossil tooth spiral
This fossil tooth whorl of the ancient shark Helicoprion, dates back 290 million...
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...