original description
De Gregorio, A. 1930b. Fossili triassici delle Cave di Billiemi presso Palermo. Annales de Géologie et de Paléontologie 54, 1-40.
page(s): 29; pl. 6: 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): 15 [details] Available for editors
From editor or global species database
Distribution Italy [details]
Fossil Range Triassic [details]