original description
Jesionek-Szymańska, W. 1963. Echinides irreguliers du Dogger de Pologne. Acta Palaeontologica Polonica 8, 293-414.
page(s): 375-378, 403, 414; text-pl. 11: figs. 1-9, pl. 6: figs. 2a-c, 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): 89 [details] Available for editors
From editor or global species database
Distribution Poland [details]
Fossil Range Late Callovian, Middle Jurassic [details]