original description
Lambert, J. 1935e. Sur quelques nouveaux échinides fossiles d'Egypte. Bulletin de l'Institut d'Egype 18, 39-43.
page(s): 41; pl. 1: figs. 4-6 [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): 33 [details] Available for editors
From editor or global species database
Distribution Egypt [details]
Fossil Range Late Lutetian, Middle Eocene [details]