Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Hygrosoma aethiopicum Döderlein, 1905. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=569181 on 2025-05-17
basis of recordMortensen, T. (1935). A Monograph of the Echinoidea. II. Bothriocidaroida, Melonechinoida, Lepidocentroida, and Stirodonta, 647 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London. page(s): 208-215 [details]