The Echinoid Directory
Ekerekeia crenulata (Kier, 1972), USNM 170370 (holotype). Middle Dhruma Formation, Bathonian, Middle Jurassic, near Riyahd, Saudi Arabia. Ambital interambulacral plates. From P. M. 1972. Tertiary and Mesozoic echinoids of Saudi Arabia. Smithsonian Contributions to Paleobiology 10, 1-242.
Diameter of test 27 mm.