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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.
Shark migration patterns may be even more complex than in birds, with many sharks covering entire ocean basins. ... The soft bones can be easily chewed, ...
Phosphate pits, containing mostly fossil bones and teeth, or kaolin pits, are ideal places to look for fossil shark teeth. One of the most notable phosphate mines is in Central Florida, Polk County, and is known as Bone Valley .
Many whale bones have been found with deep gashes most likely made by their teeth. [ 28 ] : 75 Various excavations have revealed megalodon teeth lying close to the chewed remains of whales, [ 28 ] : 75 [ 30 ] and sometimes in direct association with them.
Cartilaginous fish, such as sharks and rays, have jaws and skeletons made of cartilage rather than bone. Megalodon is an extinct species of shark that lived about 28 to 1.5 Ma. It looked much like a stocky version of the great white shark, but was much larger with fossil lengths reaching 20.3 metres (67 ft). [10]
South Carolina State Park Service interpretive ranger Rachel Dunn shows an oyster shell that many people may think is a shark tooth on Thursday, March 14, 2024 at Hunting Island State Park.
In this screen capture, Jill Horner a recent transplant to the area from Buffalo, N.Y., captured video of a shark swimming off Hilton Head Island on Sept. 4, 2022, Labor Day weekend.
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