original description
Engel, H. 1964a. On Two New Species of Holectypus Desor from the Senonian of South-Limburg near Maastricht, Netherlands. Zoologische Mededelingen 39, 235-239.
page(s): 235-236; pl. 14 [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): 49 [details] Available for editors
From editor or global species database
Distribution Southern Netherlands [details]
Fossil Range Senonian, Late Cretaceous [details]