World Register of Marine Species (WoRMS)
WoRMS (2026). Protelpidia Gebruk, 1983. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=528598 on 2026-08-29
Gebruk, A. V. (1983). Protelpidia, a new genus of abyssal holothurians (Elasipoda, Elpidiidae). Zoologicheskii Zhurnal 62(7): 1038-1043.