Traits taxon details
original description
Clark, H. L. (1940). Eastern Pacific Expeditions of the New York Zoological Society. XXI. Notes on Echinoderms from the West Coast of Central America. <em>Zoologica.</em> 25(3): 331-352. page(s): 351; pl. 2: figs 3-4 [details] Available for editors 
basis of record
Mortensen, T. (1951). A Monograph of the Echinoidea. V, 2. Spatangoida II. Amphisternata II. Spatangidæ, Loveniidæ, Pericosmidæ, Schizasteridæ, Brissidæ, 593 pp., C. A. Reitzel, Copenhagen. page(s): 502-503 [details]
basis of record
Kier, P. M. & Lawson, M. H. 1978. Index of living and fossil echinoids 1924-1970. Smithsonian Contributions to Paleobiology 34, 1-182., available online at https://doi.org/10.5479/si.00810266.34.1 page(s): 118 [details] Available for editors 
Present Inaccurate Introduced: alien Containing type locality
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