The Echinoid Directory
Pygidiolampas eurynota Clark, 1923; (holotype). Peedee formation, Campanian, Upper Cretaceous, South Carolina, USA. From P. M. Kier. 1962. Revision of the cassiduloid echinoids. Smithsonian Miscellaneous Collections, 144 (3) 262 pp. (plate 20, fig. 3). Oral view.
Length of test 46 mm.