Traits taxon details
original description
Kier, P. M. 1980. The Echinoids of the Middle Eocene Warley Hill Formation, Santee Limestone, and Castle Hayne Limestone of North and South Carolina. Smithsonian Contributions to Paleobiology 39, 1-102. page(s): 45-46; figs. 20-21, pl. 16: figs 1-2, pl. 17: figs 1-2 [details]
| |