The Echinoid Directory
Codiopsis sellardsi Ikins 1940, holotype. Stratigraphic level unknown but probably upper Fredricksburg Formation, Upper Albian or Cenomanian, Cretaceous, Seven Mile Mesa, near Fort Stockton, Texas, USA. Apical view. From Ikins, W. C. 1940. Some Echinoids from the Cretaceous of Texas. Bulletins of American Paleontology 25, 50-88 (pl. 1, fig. 1).
Diameter of test 33 mm.
Diameter of test 33 mm.