Traits name details
original description
Socin, C. 1946. Fossile eocenico con iscrizione geroglifica rinvenuto in Eliopoli. Atti della Società Toscana di Scienze Naturali, Memorie 53, 163-171. page(s): 163-171; figs. 1a-d [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): 79 [details] Available for editors
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