The Echinoid Directory

Corthya ovulum (Desor, 1842); Museum National d'Histoire Naturelle, Paris, B15219 (figured by d'Orbigny Paleontologie Francaise pl. 801, figs 7-13). Lower Hauterivian, Lower Cretaceous, Censeau, Jura, France. Apical view.

Length of test 21 mm.