original description
Lambert, J. (1931). Etude sur les Echinides fossiles du Nord de l'Afrique. <em>Mémoires de la Société Géologique de France, Nouvelle Serie (Mémoire No. 16).</em> 7/2, 1-108, pls. 1-4.
page(s): 191; pl. 5: figs. 46-47 [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): 31 [details] Available for editors 
From editor or global species database
Distribution Egypt [details]
Fossil Range Cenomanian, Late Cretaceous [details]