Discoidea fittoni echinoid from the Cretaceous Wilmington Greensand Formation, Wilmington, Devon. These particular specimens date back to the Cenomanian Stage of the Cretaceous period, approximately 93 to 100 million years ago. These particular specimens measure approximately 1 cm in diameter and much of the morphological detail has unfortunately been lost as is often common with fossils of such a small size. However, the echinoids small, disc like body is easily seen. Each specimen is sold individually within a small plastic bag with an information label.