World Register of Marine Species (WoRMS)
WoRMS (2026). Elpidiidae Théel, 1882. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=123191 on 2026-08-11
Théel, H. (1882). Report on the Holothuroidea dredged by H.M.S. 'Challenger' during the years 1873-76. Part i. Report on the Scientific Results of the Voyage of H.M.S. Challenger during the years 1873–1876. Zoology. 4 (part 13): i-ix, 1-176, pl. 1-46.