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Their teeth are long, narrow, and very sharp with smooth edges, with one and on occasion two smaller cusplets on either side. Sand sharks have a large second dorsal fin. The sand shark can grow up to 3.2 m (10 ft) long, and most adults can weigh around 200 kg (440 lb).
The sand tiger shark ( Carcharias taurus ), gray nurse shark, spotted ragged-tooth shark or blue-nurse sand tiger, is a species of shark that inhabits subtropical and temperate waters worldwide. It inhabits the continental shelf, from sandy shorelines (hence the name sand tiger shark) and submerged reefs to a depth of around 191 m (627 ft). [2]
Odontaspis winkleri Leriche, 1905. Fossil teeth of Odontaspis winkleri from Khouribga (Morocco), 55-45 mya. Fossils of Odontaspis have been found all over the world. These extinct sand sharks lived from the Cretaceous to the Quaternary periods (from 136.4 to 0.012 Ma). Fossils of these fishes have been found worldwide.
Charles Shelton Jr. holds a sand tiger shark tooth he found during a search along Myrtle Beach strand. Shelton, who has hunted sharks teeth and fossils for over thirty years frequently provides ...
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.
Sharks continually shed their teeth; some Carcharhiniformes shed approximately 35,000 teeth in a lifetime, replacing those that fall out. [1] There are four basic types of shark teeth: dense flattened, needle-like, pointed lower with triangular upper, and non-functional. The type of tooth that a shark has depends on its diet and feeding habits.
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