Pyritized Ammonite Fossil Dactylioceras

A large pyritized ammonite is the center piece on this fossil plate from the famous Holzmaden Shale formation in Germany. Ammonites are an extinct group of sea creatures which thrived during the Jurassic Period approximately 180 million years ago. This plate has many ammonites of the species Dactylioceras. The ammonites have mineralized with a pyrite coating giving it a rich brass color which contrasts nicely against the deep shale background. The matrix contains many other smaller ammonite fossils surrounding the main fossil.

Approx. 5" L x .5" W x 5.75" H

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