original description
Maillieux, E. 1940. Les échinodermes du Frasnien de la Belgique. Mémoire du Musée Royal d'Histoire Naturelle de Belgique 92,
page(s): 37-38; pl. 2: figs. 22-22b, pl. 3: figs. 1-21 [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): 6 [details] Available for editors
From editor or global species database
Distribution Belgium [details]
Fossil Range Frasnian, Late Devonian [details]
Nomenclature The rank is actually defined as "Praemutatio" [details]