Kroh, A.; Mooi, R. (2024). World Echinoidea Database. Pygurus (Echinopygus) d'Orbigny, 1855 †. Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=738255 on 2024-09-22
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): 76 [details] Available for editors [request]
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