Fossil sea urchin - Carapace with radiolas -...
Fossil sea urchin - Gymnocidaris koechlini - Excellent fossil of a sea urchin in life position.
The sea urchin and the spines finest details have been preserved and have been carefully arranged in position of life. The spines preserves the original colouring patterns. Sea urchin with 10 cm spicules - from medium Jurassic, Bajociano (168.3-170.3 million years), Boulemane, Morocco.