World Register of Marine Species (WoRMS)
Itaipusa sophiae (v.Graff, 1905) Karling, 1978
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Itaipusa sophiae (v.Graff, 1905) Karling, 1978. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=143151 on 2026-08-28
Graff, L. von. (1905). Marine Turbellarien Orotavas und der Küsten Europas. II. Rhabdocoela. Zeitschrift fur wissenschaftliche Zoologie. 83: 68-150. With 5 plates.