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A shortfin mako glides through the waters off the coast of California.
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Shortfin Mako Shark

 The shortfin mako shark (Isurus oxyrinchus) is found offshore in tropical and warm...
Three bar jacks and a female tiger shark swim through the ocean off the coast of the Bahamas.
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Tiger Shark

 Three bar jacks and a female tiger shark, nearly 4-meters long, swim off the coast...
A blue shark, with a copepod attached to its dorsal fin, coasts through waters near New England.
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Blue Shark

Named for the radiant blue color on its back and sides, the blue shark (Prionace...
a squalodontid skull is dislodged after a plaster jacket is applied
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Dislodging the Fossil

 Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...
Smithsonian scientists apply a plaster bandage cap to a block of rock containing fossils
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Securing the Fossil

 Paeleobiologist Dr. Nicholas Pyenson, Curator of Fossil Marine Mammals for the...