Listing Description Item: Fossilized Marine Bone Fragment Origin: Coastal South Carolina, USA (Beach Find) Estimated Age: Pleistocene to Miocene Epoch (Approx. 10,000 to 5 Million+ Years Old) Item Details: Up for auction is a beautiful, naturally tumbled fossilized marine bone fragment found along the South Carolina coast. This specimen features a striking, dark-chocolate to jet-black phosphate patina, a signature of fossils found in the mineral-rich Lowcountry sediment. Texture: Excellent visible "honeycomb" or cancellous bone structure in the cross-section. Mineralization: Fully permineralized; it feels heavy and stone-like to the touch. Possible Identity: Likely a fragment of a Prehistoric Sea Turtle carapace or a Cetacean (Whale/Dolphin) rib bone. Condition: Naturally surf-tumbled with smooth edges and a glossy, authentic "beach find" finish. This is a fantastic "hand-held" specimen for any fossil collector, educator