An extinct marine mollusk with a coiled, spiral shell that lived millions of years ago and is often found as fossils.
From the spiral shape being compared to the coiled horns of the ram sacred to Egyptian god Ammon, via Latin ammonites. Medieval people thought these fossils were coiled snakes turned to stone, calling them 'snake stones.'
Ammonites are nature's perfect time capsules—a single coiled shell can tell scientists about ocean chemistry, temperature, and even oxygen levels from 200 million years ago, making them invaluable for reading Earth's ancient history.
Ammonites (extinct cephalopods) are etymologically linked to Ammon, derived from Ammonios/Amunios. The fossil's spiral form invited personification as 'snakes' in medieval folklore, often associated with female transformation figures in myth.
Use 'ammonite' neutrally as a paleontological term. The gendered etymology is historical artifact, not active modern bias.
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