original description
Barry, J. O. & Le'Blanc, R. J. 1942. Lower Eocene Faunal Units of Louisiana. State of Louisiana Department of Conservation Geological Bulletin 23, 1-156.
page(s): 43-44; pl. 2: figs. 3-4 [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): 108 [details] Available for editors
From editor or global species database
Distribution Texas, U.S.A. [details]
Fossil Range Early Eocene [details]