Carpilius sp. Crab Fossil – Eocene – Spain A remarkably well-preserved fossil crab of the genus Carpilius, originating from an old Spanish collection. The specimen measures 3.6 × 3.2 × 1.3 cm and is beautifully displayed within its natural matrix. The carapace retains excellent surface detail, with the original textures and natural convex form clearly visible. The fossil’s three-dimensional preservation enhances its aesthetic impact, making it an appealing piece for display as well as a scientifically valuable specimen. This is a fine example of an Eocene decapod fossil, representing a genus still known today for its distinctive rounded carapace. Its provenance from an old Spanish collection adds further interest for collectors of rare and authentic material. An elegant and genuine specimen, suitable for advanced fossil collections, teaching purposes, or as a striking natural history display.