Most teeth (Fish)
Last updated: October 12, 2017 at 21:23 pm
Sharks may have over 3,000 at one time. The teeth are aligned in many rows and are not all used at once. When one tooth is lost, it is replaced by another. A shark may shed as many as 50,000 teeth in its lifetime thus making shark teeth one of the most commonly found fossils in the world.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.