WoRMS taxon details
original description
Kier, P. M. 1966a. A new echinoid from the Cretaceous Pierre Shale of Eastern Wyoming. United States Geological Survey Professional Paper 393-A, 1-28. page(s): A63-65; fig. 17 [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): 24 [details] Available for editors [request]
From editor or global species database
Distribution Wyoming, U.S.A. [details]
Fossil Range Late Campanian or lower Maastrichtian, Late Cretaceous [details]
From editor or global species database
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