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The blue-spotted stingray (Taeniura lymma) doesn’t like to be covered in sand...
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...
Dwarf Lantern Shark
The smallest shark, a dwarf lantern shark (Etmopterus perryi) is smaller than...