original description
Cooke, C. W. 1961. Cenozoic and Cretaceous echinoids from Trinidad and Venezuela. Smithsonian Miscellaneous Collections 142, 1-35.
page(s): 16; pl. 4: figs. 1-6 [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): 61 [details] Available for editors
From editor or global species database
Distribution Trinidad, Caribbean Ocean [details]
Fossil Range Middle Eocene [details]
From editor or global species database