Traits taxon details
original description
Durham, J. W. 1961a. Miocene echinoids from the Valle Central, Costa Rica. Journal of Paleontology 35, 480-488. page(s): 485-487; figs. 1G, l J , 2F, pl. 68: figs. 6, 9, 12 [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 
From editor or global species database
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