This image is of the Diademopsis bowerbanki sea urchin fossil. It was found in the Lower Lias of Lyme Regis England. The Blue Lias is in the bottom 32 meters of blue-gray limestone. This animal lived during the Lower Jurassic Period.
Fossil on display at the Lyme Regis Museum in England as of August 2016.
Learn more at www.lymeregismuseum.co.uk