original description
Marchesini Santos, M. E. C. 1960. Equióides Crácicos do Rio Grande do Norte. Divisäo de Geologia e Mineralogia Boletim 1-26.
page(s): 18-20; fig. 4, pl. 5: figs. 1-3 [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): 31 [details] Available for editors
From editor or global species database
Distribution Brazil [details]
Fossil Range Turonian, Late Cretaceous [details]