World Register of Marine Species (WoRMS)
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Promesostoma nynaesiense Karling, 1957. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=143350 on 2026-08-30
Karling, T. G. (1957). Drei neue turbellaria Neorhabdocoela aus dem grundwasser der schwedischen ostseeküste. Kungliga fysiografiska sallskapets i lund forhanlingar. 27: 25-33.