World Register of Marine Species (WoRMS)
Macrostomum quiritium Beklemischev, 1951
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Macrostomum quiritium Beklemischev, 1951. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=481437 on 2026-08-28
Beklemischev, V. N. (1951). The species belonging to the genus Macrostomum (Turbellaria, Rhabdocoela) of Soviet Union. Bulletin of Moscow Society of Naturalists, Biological Series. 56(4): 31–40.