Agassiz, A. (1863). List of the echinoderms sent to different institutions in exchange for other specimens, with annotations. <em>Bulletin of the Museum of Comparative Zoölogy at Harvard College.</em> 1: 17-28. page(s): 22 [details]
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Parasalenia gratiosa A. Agassiz, 1863. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: http://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=212438 on 2025-07-17
Marine Species Traits editorial board (2025). Marine Species Traits. Parasalenia gratiosa A. Agassiz, 1863. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=212438 on 2025-07-17
original descriptionAgassiz, A. (1863). List of the echinoderms sent to different institutions in exchange for other specimens, with annotations. <em>Bulletin of the Museum of Comparative Zoölogy at Harvard College.</em> 1: 17-28. page(s): 22 [details]
context source (HKRMS)Thompson, G. B. (1982). Underwater observations on the distribution of regular sea urchins in Hong Kong. In: Proceedings of the first international marine biological workshop: The marine flora and fauna of Hong Kong and southern China (ed. Morton, B.), vol. 2, pp655-671. Hong Kong University Press, Hong Kong.[details]
additional sourceMortensen, T. (1943). A Monograph of the Echinoidea. III, 3. Camarodonta. II. Echinidæ, Strongylocentrotidæ, Parasaleniidæ, Echinometridæ. 446 pp., C. A. Reitzel, Copenhagen. page(s): 269-270 [details]
additional sourceLiu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality