Ammonite Dactylioceras nodule pyritized fossil The earliest of known examples

The earliest of known examples date to circa 510 million years ago

Includes a small display stand

From the Upper Ordovician

Measurements are approximate and the minimum size you should expect your item to be

Ammonite Dactylioceras nodule pyritized fossil The earliest of known examplesOur most popular fossil, an ammonite nodule which captures the ammonite and its negative within a split rock. Ammonites from this UK region contain iron pyrite, or fools gold, giving them a natural glimmer. Jurassic, circa 180 million years old. From Whitby, Yorkshire, England. The ammonite will be approximately 5cm 7cm. The nodule itself may be bigger. Measurements are approximate and the minimum size you should expect your item to be.