The Echinoid Directory

Echinoneus cyclostomus Leske, 1778. Recent, West Indies. From A. M. Westergren. 1911. Reports on the results of the expedition to the tropical Pacific. Echini: Echinoneus and Micropetalon. Memoirs of the museum of comparative zoology, 15, 34 pp., 31 pls (plate 7). Splayed view of the test plating.