Cooke, C. W. 1955. Some Cretaceous echinoids from the Americas. United States Geological Survey Professional Paper 264 E, 87-112. page(s): 89; pl. 18: figs. 1-4 [details]
original descriptionCooke, C. W. 1955. Some Cretaceous echinoids from the Americas. United States Geological Survey Professional Paper 264 E, 87-112. page(s): 89; pl. 18: figs. 1-4 [details]
basis of recordKier, P. M. & Lawson, M. H. 1978. Index of living and fossil echinoids 1924-1970. Smithsonian Contributions to Paleobiology 34, 1-182., available online athttps://doi.org/10.5479/si.00810266.34.1 page(s): 10 [details] Available for editors
From editor or global species database
Distribution Texas, U.S.A. [details] Fossil Range Early Cenomanian to Late Albian, Early Cretaceous [details]