The Echinoid Directory

Glyptocidaris crenularis Agassiz, 1853; lateral and apical views. From Clark, H. L. 1912. Hawaiian and other Pacific Echini. The Pedinidae, Phymosomatidae, Stomopneustidae, Echinidae, Temnopleuridae, Strongylocentrotidae and Echinometridae. Memoirs of the Museum of Comparative Zoology 34 (4), 180 pp., 32 pls.

Diameter of test 75 mm.