Traits taxon details
original description
Jordan, E. K.; Hertlein, L. G. (1926). Expedition to the Revillagigedo Islands, Mexico, in 1925, VII. Contribution to the geology and paleontology of the Tertiary of Cedros Island and adjacent parts of lower California. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 15(14): 409-464, pls. 27-34., available online at https://www.biodiversitylibrary.org/page/3143711 page(s): 424-425; pl. 27: figs. 4, 6 [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): 69 [details] Available for editors
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