Ammonite

Ammonite is a type of extinct marine mollusk that lived millions of years ago, characterized by their spiral shells. These shells, often well-preserved in the fossil record, are made of limestone and show intricate patterns, making them valuable to collectors and scientists. Ammonites thrived in ancient oceans during the Mesozoic Era, especially alongside dinosaurs. Their distinctive spiral shape and diverse sizes help researchers understand Earth's prehistoric environments and evolutionary history. Today, ammonite fossils are admired for their beauty and serve as important tools for studying ancient marine ecosystems.