original description
Stefanini, G. 1923. Il reticonei dintorni di Selvena (Siena) e i suoi fossili. Bolletino della Società Geologica Italiana 42, 48-57.
page(s): 51-55; pl. 5: figs, la-g, 2a-c [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): 28 [details] Available for editors
From editor or global species database
Distribution Italy [details]
Fossil Range Rhaetian, Late Triassic [details]