Upper Cenozoic Echinoids from the Lee Creek MineSmithsonian Institution Press499–508
Kier, Porter M. 1983. "Upper Cenozoic Echinoids from the Lee Creek Mine." In Geology and Paleontology of the Lee Creek Mine, North Carolina, I. Ray, Clayton Edward, editor. 499–508. Washington, D.C.: Smithsonian Institution Press. In Smithsonian Contributions to Paleobiology, 53.