While visiting the Gallery of Natural History at the Arizona Historical Society Museum at Papago Park (1300 N. College Ave, Tempe Arizona 85281) I saw fossil specimen (AHS-NH#9854) Clypeus plotii (Leske, 1778) sea urchin fossil. This creature existed in the Jurassic Period (Bajocian to Oxfordian). They were found in what is now Europe and North Africa.
Images of museum specimen taken October 2014.
Source to refer to:
http://www.nhm.ac.uk/research-curation/research/projects/echinoid-directory/taxa/taxon.jsp?id=557
