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): 91 [details] Available for editors 
From editor or global species database
Authority Attributed to "Nielsson, M.S." by Ravn (1927), which is a manuscript name. The correct authority thus is Ravn, 1927 [details]