The most ancient types of shark-like fish date back to 450 million years ago, during the Late Ordovician period, and are mostly known by their fossilized teeth and dermal denticles. However, the most commonly found fossil shark teeth are from the Cenozoic era (the last 66 million years).
Sharks continually shed their teeth; some Carcharhiniformes shed approximately 35,000 teeth in a lifetime, replacing those that fall out. 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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Fossils in healing (Source: ChatGPT)
Fossils, used in crystal therapy and healing, are attributed unique properties based on their connection to Earth's history and their organic origins. They are not a traditional gemstone but consist of the mineralized remains of plants or animals, such as fossilized corals, shells or trees (eg petrified wood).
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