Traits taxon details
original description
Cooke, C. W. 1959. Cenozoic echinoids of eastern United States. United States Geological Survey Professional Papers 321, III+1-106., available online at https://pubs.usgs.gov/pp/0321/report.pdf page(s): 82; pl. 36: figs. 5-6 [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): 111 [details] Available for editors 
From editor or global species database
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