Clark, H. L. (1940). Eastern Pacific Expeditions of the New York Zoological Society. XXI. Notes on Echinoderms from the West Coast of Central America. Zoologica. 25(3): 331-352.
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Clark, H. L.
1940
Eastern Pacific Expeditions of the New York Zoological Society. XXI. Notes on Echinoderms from the West Coast of Central America