original description
Lambert J. (1933). Échinides de Madagascar communiqués par M H Besairie. <i>Madagascar Annales Géologiques du Service des Mines</i>. 3: 1-49.
page(s): 18-19; pl. 3: fig. 4 [details] Available for editors 
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): 97 [details] Available for editors 
From editor or global species database
Distribution Madagascar, off East Africa [details]
Fossil Range Middle Albian, Early Cretaceous [details]