original description
Shmidt, O. I. & Vereshchaghin, V. N. 1960. Stratigraphy and sea urchin fauna of the Upper Cretaceous deposits of northern Sikhote Alin. Trudy Vsesouizniyi neftianoi naucho-issbdovatelskii geolo-razvedochnyi institut 154, 266-230.
page(s): 228-229; pl. 1: 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): 99 [details] Available for editors
From editor or global species database
Distribution U.S.S.R. [details]
Fossil Range Late Cretaceous [details]