original description
Cooke, C. W. 1957. Geology of Saipan Mariana Islands, Part 3: Paleontology Chapter J.Echinoids. United States Geological Survey Professional Paper 290 J, 361-364.
page(s): 362; pl. 119: figs. 14-17 [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): 56 [details] Available for editors
From editor or global species database
Distribution Mariana Island, West Pacific Ocean [details]
Fossil Range Miocene [details]
From editor or global species database