original description
Cooke, C. W. 1946. Comanche echinoids. Journal of Paleontology 20, 193-237.
page(s): 206; pl. 31: figs. 13-14 [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): 29 [details] Available for editors
From editor or global species database
Distribution Texas, U.S.A. [details]
Fossil Range Late Cretaceous [details]
Stratigraphy Washita Group [details]
Taxonomic remark For Heterodiadema ornatum Clark, 1915 [details]