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  2. Shark tooth - Wikipedia

    en.wikipedia.org/wiki/Shark_tooth

    Any fossils, including fossil shark teeth, are preserved in sedimentary rocks after falling from their mouth. [13] The sediment that the teeth were found in is used to help determine the age of the shark tooth due to the fossilization process. [15] Shark teeth are most commonly found between the Upper Cretaceous and Tertiary periods. [16]

  3. Shark anatomy - Wikipedia

    en.wikipedia.org/wiki/Shark_anatomy

    Shark teeth are strong and made of enamel. Many sharks have 3 rows of teeth. These teeth are embedded in the gums, not the jaw. [10] Sharks are born with teeth that are constantly being replaced. Teeth are replaced every two weeks, approximately. [10] The shape of the teeth determine the diet of the shark.

  4. Shark - Wikipedia

    en.wikipedia.org/wiki/Shark

    Shark teeth are embedded in the gums rather than directly affixed to the jaw, and are constantly replaced throughout life. Multiple rows of replacement teeth grow in a groove on the inside of the jaw and steadily move forward in comparison to a conveyor belt; some sharks lose 30,000 or more teeth in their lifetime. The rate of tooth replacement ...

  5. Searching for shark teeth in SC? Tips you were told may be ...

    www.aol.com/searching-shark-teeth-sc-tips...

    The really dark shark teeth, Dunn said, are millions of years old and more commonly found. The lighter teeth, beige or pearly in color, fell out more recently.

  6. Tiger shark - Wikipedia

    en.wikipedia.org/wiki/Tiger_shark

    Like most sharks, its teeth are continually replaced by rows of new teeth throughout the shark's life. Relative to the shark's size, tiger shark teeth are considerably shorter than those of a great white shark, but they are nearly as broad as the root as the great white's teeth and are arguably better suited to slicing through hard-surfaced prey.

  7. Porbeagle - Wikipedia

    en.wikipedia.org/wiki/Porbeagle

    North Atlantic sharks have 28–29 upper tooth rows and 26–27 lower tooth rows, while Southern Hemisphere sharks have 30–31 upper tooth rows and 27–29 lower tooth rows. [25] Each tooth has a strongly arched base and a nearly straight, awl-like central cusp, which is flanked by a pair of smaller cusplets in all but the smallest individuals.

  8. ‘Shark graveyard’ — with 750 fossilized teeth — lurks under ...

    www.aol.com/shark-graveyard-750-fossilized-teeth...

    The shark specimen is small with a brown and tan striped pattern and two fins on top, photos show. Its head has a square-like shape with a blunt nose. A researcher holds one specimen of the newly ...

  9. Broadnose sevengill shark - Wikipedia

    en.wikipedia.org/wiki/Broadnose_sevengill_shark

    The top jaw has jagged, cusped teeth and the bottom jaw has comb-shaped teeth. Its single dorsal fin is set far back along the spine towards the caudal fin, and is behind the pelvic fins. In this shark the upper caudal fin is much longer than the lower, and is slightly notched near the tip. Like many sharks, this sevengill is counter-shaded.

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