World Register of Marine Species (WoRMS)
Phonorhynchopsis haegheni (Artois & Schockaert, 2001) Willems & Artois, 2017
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Phonorhynchopsis haegheni (Artois & Schockaert, 2001) Willems & Artois, 2017. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1063074 on 2026-08-01
Artois, T. J.; Schockaert, E. R. (2001). Interstitial fauna of the Galapagos: Duplacrorhynchinae, Macrorhynchinae, Polycystidinae, Gyratricinae (Plathelminthes, Polycystididae). Tropical Zoology. 14: 63-85.
(Artois & Schockaert, 2001) Willems & Artois, 2017