World Register of Marine Species (WoRMS)
WoRMS (2026). Synaptacea. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1393267 on 2026-08-30
Smirnov, A.V. (2012). System of the Class Holothuroidea. Paleontological Journal. 46(8): 793-832, 8 figs.