original description
Böhm, J. (1927). Beitrag zur Kenntnis der Senonfauna der Bithynischen Halbinsel. <em>Palaeontographica.</em> 69(2-6): 187-222.
page(s): 193-194; pl. 12: fig. 1a [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): 91 [details] Available for editors 
From editor or global species database
Distribution Bithynia, Asia Minor [details]
Fossil Range Senonian, Late Cretaceous [details]