Rare 4″ Progeronia ernesti Fossil Ammonite, Lower Kimmeridgian, Jurassic – Graffenberg Bavaria, Germany – Genuine with COA

Description Rare 4″ Progeronia ernesti Fossil Ammonite – Lower Kimmeridgian, Jurassic – Graffenberg Bavaria, Germany 100% Genuine Fossil with Certificate of Authenticity We are proud to offer this rare 4-inch Progeronia ernesti fossil ammonite, discovered in the Graffenberg region of Bavaria, Germany. This extraordinary specimen dates from the Lower Kimmeridgian stage of the Jurassic Period (~155 million years ago). The Progeronia ernesti ammonite is a highly regarded species for its distinctive coiled shell and elegant suture patterns, making it a prized addition to any fossil collection. Geological and Fossil Information: Fossil Type: Progeronia ernesti Fossil Ammonite Species: Progeronia ernesti Morphology Features: The Progeronia ernesti ammonite features a distinct, coiled shell with well-defined sutures and a smooth, rounded shape. Its elegant spiral structure is typical of the Progeronia genus, making it a fascinating specimen for both collectors and researchers. Geological Stage: Lower Kimmeridgian, Jurassic (~155 million years ago) Depositional Environment: The ammonite was formed in a shallow marine environment, typical of the Lower Kimmeridgian seas, which were ideal for ammonites to thrive. The Jurassic period was marked by warm, shallow seas that provided abundant life, creating perfect conditions for the Progeronia ernesti species. Biozone: This specimen belongs to the Lower Kimmeridgian biozone, which is known for a wide range of ammonite species and rich marine life during the Jurassic period. Family: Asteroceratidae Super Family: Ammonitoidea Order: Ammonitida Formally Identified By: This fossil has been formally identified based on its distinct morphological features and the geological context of its discovery in Graffenberg, Bavaria, Germany. Size and Visuals: The fossil measures approximately 4 inches in diameter. A scale rule (1cm squares) is included in the attached photo for accurate size reference. The photo shows the actual specimen you will receive, carefully selected to showcase its exceptional preservation and intricate details. Authenticity and Certification: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring the provenance and authenticity of the fossil. This Progeronia ernesti ammonite from Graffenberg, Bavaria, Germany, is a rare and beautiful example of Lower Kimmeridgian ammonites, making it an exceptional addition to any fossil collection.