Mined from: Boulmane, Morocco
Era: Middle Jurassic
Geological Age: mya
Description: Gymnocidaris koechlini Species have a skeleton that are almost always made of interlocking plates that form what is called a rigid structure. They are covered in spines that can move and are locked into the structure. The spines act as a protection mechanism and also helps the urchin move across the ocean floor.
Approximate Size: 120mm x 110mm x 40mm
With this product, you will get the actual stone in the photograph. We do what we can to buy good quality products and price them honestly. The rocks may differ from the photos, but we hope we do them justice.