Ammonites are an extinct group of marine animals similar to the nautilus. Like the nautilus, ammonites had a soft body with tentacles that emerged from a hollow chambered shell which they used in the manner of a submarine's ballast tanks. Ammonite fossils are often identified by their shell ornamentation and the structures of the wall that divide the shell's chambers.
Dimensions: ~3""W x 3""L x 1""H
Scientific Name: Dactylioceras sp.
Age: 180 Million Years Old
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