original description
Jackson, R. T. 1937. Mexican Fossil Echini. Proceedings of the United States National Museum 84, 227-2374 pls.
page(s): 236-237; pl. 15: figs. 2-3 [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): 121 [details] Available for editors 
From editor or global species database
Distribution Mexico [details]
Fossil Range Oligocene [details]