An ammonite adventure on the Jurassic Coast
By Sarah Zielinski, 17:57 PM October 23, 2013
If you’ve ever been in a shop that sells fossils — the natural history museum gift shop, the nature store in the mall, and so on — you’ve probably seen an ammonite. Its chambered coils make a distinct shape in the rock, easily recognizable as something special. The modern nautilus has a similar design, but ammonites are far older, having lived around 340 to 65 million years ago, at which point these marine invertebrates went extinct along with the dinosaurs.
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