Iridescent Ammonite (South Dakota) D, 4.75"
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Real, iridescent, ammonite for sale! This specimen also has beautiful dendrites!
These are from the Fox Hills Formation of South Dakota, USA and date back to the Late Cretaceous.
Measuring ~4.75" across, this specimen was once on display at the Hobberlin Museum in Ontario, Canada.
We can ship this specimen worldwide.