Sharks have a long, fascinating history dating back hundreds of millions of years, nearly twice as old as the dinosaurs. Among the most sought-after fossils in the world are shark teeth from the Paleozoic, particularly those from Russia. These ancient relics offer collectors a glimpse into a time when strange and magnificent creatures ruled the seas, making them an extraordinary addition to any fossil collection. The Age of Paleozoic Sharks Sharks first appeared approximately 450 million years ago, but it wasn’t until the early Devonian period that they evolved teeth. By the Carboniferous period, around 359 million years ago, sharks had become dominant rulers of the seas during what is often referred to as the "golden age" of sharks. During this era, the ancestors of modern sharks, such as the bizarre-looking Edestus and Helicoprion, with their unique spiral-shaped jaws, roamed the ancient oceans. Many of these sharks' teeth have survived, providing rare and valuable evi...
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