This is a rare and well-preserved Pleurotomaria simius Fossil Gastropod from the Lower Pliensbachian stage of the Jurassic Period, discovered in Blockley, United Kingdom. A scientifically significant specimen, this fossil showcases the distinctive shell structure of this extinct marine gastropod, making it an excellent addition to any fossil collection.
Pleurotomaria simius belongs to an extinct group of marine gastropods known for their trochoidal (top-shaped) shells with a distinctive selenizone—a spiral groove along the whorls that is characteristic of the Pleurotomariidae family. These ancient mollusks thrived in the Jurassic seas and were important components of the marine ecosystem. Their modern relatives, known as slit snails, are deep-sea dwellers, but fossilized Pleurotomaria species provide insights into their evolutionary history.
Scale rule squares = 1cm. Please refer to the photos for precise dimensions.
This is a highly desirable and scientifically significant fossil, ideal for collectors, researchers, and natural history enthusiasts. A genuine piece of Earth's prehistoric marine life, securely packaged and ready for display.
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