Nenoticidaris Fossil Urchin On Limestone Pedastal

This is an exceptionally well preserved and prepared of the Middle Jurassic sea urchin, Nenoticidaris mercieri. This one is nicely inflated the with ornate/knobby surface where the spines would have attached well preserved. It has been prepared so that it displays well on a free-standing pedastal of matrix.

Scientific description of the genus...