original description
Innocenti, G. D. 1924. Due Nuovi Echinidi dell'Eocene Istriano. Rivista Italiana di Paleontologia 30, 41-46.
page(s): 43-44; pl. 2: figs. 7-10 [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): 37 [details] Available for editors
From editor or global species database
Distribution Istria (Peninsula), Yugoslavia [details]
Fossil Range Middle Eocene [details]