original description
Kier, P. M. 1967. Sexual dimorphism in an Eocene echinoid. Journal of Paleontology 41, 988-993.
page(s): 990-993; figs. 1-3, pl. 129: figs. 3-4, pl. 130: figs. 2-7 [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): 60 [details] Available for editors
From editor or global species database
Distribution Georgia, U.S.A. [details]
Fossil Range Middle Eocene [details]
From editor or global species database