Traits taxon details
original description
Israelsky, M. C. 1933b. Echinoids from the Malumbang Formation Philippine Islands. The Philippine Journal of Science 50, 301-307. page(s): 304-305; pl. 2: figs. 17- 19 [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): 65 [details] Available for editors 
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