Ammonite
Ammonite fossils are the preserved spiral shells of extinct marine mollusks from the Jurassic and Cretaceous periods, commonly sold as collectibles in various sizes and qualities.
Estimated value as of 2026 · Source: FossilEra.com and Etsy listings for small common ammonite fossils
Fun Fact
While rare large or iridescent specimens can sell for over $100,000, the vast majority of common ammonites available to regular buyers are priced under $100.
Price History
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