Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2021). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Polycelis (Polycelis) sapporo (Ijima & Kaburaki, 1916). Accessed at: http://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=482392 on 2024-04-24
original description(ofSorocelis sapporo Ijima & Kaburaki, 1916)Ijima, I.; Kaburaki, T. (1916). Preliminary descriptions of some Japanese Triclada. Annot Zool Japon Tokyo, 9: 153-171 page(s): 57 [details]