World Register of Marine Species (WoRMS)
Dalyellia semispinosa Fulinski & Szynal, 1927
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Dalyellia semispinosa Fulinski & Szynal, 1927. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=485486 on 2026-08-27
Fulinski, B.; Szynal, E. (1927). Zwei neue Turbellarienarten aus der Gattung Dalyellia J. Fleming. Kosmos (Lwow). 52 fasc I-II A : 157-166.