Traits taxon details
original description
Kier, P. M. 1962. Revision of the cassiduloid echinoids. Smithsonian Miscellaneous Collections 144, iv+1-262., available online at https://www.biodiversitylibrary.org/page/24741645 page(s): 156-157; figs. 129-131, pl. 23: figs. 5-11 [details] Available for editors
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): 83 [details] Available for editors
From editor or global species database
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