World Register of Marine Species (WoRMS)
Bock, P.; Figuerola, B. (2026). World List of Bryozoa. Plagioecia sarniensis (Norman, 1864). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=111721 on 2026-08-24
Norman, A. M. (1864). On undescribed British Hydrozoa, Actinozoa, and Polyzoa. Annals and Magazine of Natural History. (3)13: 82-90, pls 9-11.