Polished Jurassic Fish Bone Gyrosteus Whitby POS/NEG

A nice section of cut and polished Jurassic Sturgeon like fish bones from a species known as Gyrosteus. You will get both halves of the nodule, with both sides polished as shown. There is also ammonites washed in among the bones.

The polish highlights the interesting detail of the bone.

180 million years old.

Upper Lias, Lower Jurassic, Whitby, North Yorkshire, England.