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Monday, December 12, 2011

Pleuroceras spinatum Ammonites


These pyrite fossils are Pleuroceras spinatum found in the Lower Lias formation of Untersturmig, Germany. These creatures swam around in the Jurassic period (200-145 million years ago). The scale in the second image is in inches. Thanks Mark Palatas for allowing me to photograph it.


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