original description
Kier, P. M. 1965. Evolutionary trends in Paleozoic echinoids. Journal of Paleontology 39, 436-465.
page(s): 462-463; figs. 23-24, pl. 58: fig. 4, pl. 59: fig. 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): 2 [details] Available for editors
From editor or global species database
Distribution southeastern Turkey [details]
Fossil range Changhsingian, Late Permian [details]