original description
Boos, M. F. 1929. Stratigraphy and Fauna of the Luta Limestone (Permian) of Oklahoma and Kansas. Journal of Paleontology 3 , 241-253.
page(s): 249-250; pl. 27: figs. 3-3c [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): 5 [details] Available for editors
From editor or global species database
Distribution Oklahoma-Kansas, U.S.A. [details]
Fossil Range Early Permian [details]