Traits taxon details
original description
Nisiyama, S. 1966. The Echinoid Fauna from Japan and adjacent Regions. Part I. Paleontological Society of Japan, Special Papers 11, i-ii, 1-277 . page(s): 187-188; pl. 2: figs. 6-9 [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): 25 [details] Available for editors
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