Bidspirit auction | Three fossilised shells including a
Three fossilised shells including a complete Long-spine Slate Pen Sea Urchin (Cidaris cidaris), The Cidaris cidaris is between 250-450 million years old.
Three fossilised shells including a complete Long-spine Slate Pen Sea Urchin (Cidaris cidaris), The Cidaris cidaris is between 250-450 million years old.