World Register of Marine Species (WoRMS)
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Sigalion capensis Day, 1960. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=334783 on 2026-08-28
Day, J.H. 1960. The Polychaet [sic] fauna of South Africa. Part 5. Errant species dredged off Cape coasts. Annals of the South African Museum, 45(3): 261-373.