original description
Castex, L. 1930. Révision des Échinides du Nummulitique du départment des Landes. Actes de la Société Linnéenne de Bordeaux 82, 5-72.
page(s): 41-42; pl. 4: figs. 1-2 [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): 112 [details] Available for editors
From editor or global species database
Distribution France [details]
Fossil Range Lutetian, Middle Eocene [details]