fossil ammonite sea life stone

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Golden Ammonite Fossil on Dark Stone Background, Ancient Sea Creature Shell Royalty Free Stock Photo

Close up of a cut ammonite fossil showing spiral pattern. Red textured stone reveals colorful iridescent chambers. Ancient marine Royalty Free Stock Photo

Ammonite fossil preserved in a stone showing spiral shape Royalty Free Stock Photo

Ammonite Stone Slab Display Brown Tones Royalty Free Stock Photo

Ammonite Shell Fossil Isolated on Black Royalty Free Stock Photo

Ammonite fossil on white background. Royalty Free Stock Photo

Fossil Ammonite Sea life in stone Royalty Free Stock Photo

Ammonite fossil closeup embedded in stone Royalty Free Stock Photo

Fossil Ammonite Imprint in Cracked Stone Slab Royalty Free Stock Photo

Detailed illustration of fossilized ammonite on sandy surface with small stones. Marine prehistoric life, extinct sea animal Royalty Free Stock Photo

Ammonite stone banner showcasing intricate fossil patterns in rich colors Royalty Free Stock Photo

Ammonite fossil in stone. Royalty Free Stock Photo

Ammonites lived during the periods of Earth history known as the Jurassic and Cretaceous. Together, these represent a time interval of about 140 million years. The Jurassic Period began about 201 million years ago, and the Cretaceous ended about 66 million years ago. The ammonites became extinct at the end of the Cretaceous Period, at roughly the same time as the dinosaurs disappeared. However, we know a lot about them because they are commonly found as fossils, formed when the remains or traces of the animal became buried sediment that later solidified into rock.