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Ammonite

usgb/ˈæmənaɪt/Volume
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Prehistoric ExistencePlay
Ammonites lived millions of years ago, so the term highlights ancient history and geology. SlideThe rock layer containing the ammonite must be Jurassic in age.
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Extinction EventPlay
Ammonites became extinct, which often links to discussions on natural history and mass extinctions. SlideLike the dinosaurs, the ammonite vanished during a mass extinction.
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Fossil IdentificationPlay
Ammonites are commonly found as fossils, so 'ammonite' refers to both the creature and its fossil. SlideThat spiral pattern is the hallmark of an ammonite's fossil.