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. Thylacorhynchus longicirrus Noldt, 1989. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=143301 on 2026-08-24
Noldt, U. (1989). Kalyptorhynchia (Plathelminthes) from sublittoral coastal areas near the island of Sylt (North Sea). I. Schizorhynchia. Microfauna Marina. 5:7-85.