Clark, H. L. (1912). Hawaiian and other Pacific Echini. The Pedinidae, Phymosomatidae, Stomopneustidae, and Echinometridae. Memoirs of the Museum of Comparative Zoölogy at Harvard College. 34/4: 205-383.
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Clark, H. L.
1912
Hawaiian and other Pacific Echini. The Pedinidae, Phymosomatidae, Stomopneustidae, and Echinometridae
Memoirs of the Museum of Comparative Zoölogy at Harvard College