original description
Maczýnska, S. S. 1968. Echinoids of the Genus Micraster L.Agassiz from the Upper Cretaceous of the Craców area. Prace Muzeum Ziemi (Polska Akademia Nauk Muzeum Ziemi 12, 87-168.
page(s): 129-130, 168; pl. 13: figs, 1a-4, text-pl. 10: figs. 1-4 [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): 110 [details] Available for editors
From editor or global species database
Distribution Poland [details]
Fossil Range Late Campanian, Late Cretaceous [details]