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. Neppia paeta (Marcus, 1955). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=482192 on 2026-08-25
Marcus, Er. (1955). Turbellaria. In: Hanström-Brinck-Rudebeck, South African Animal Life, Volume I. Results Lund Univ Exxp 1950-1951, Vol I, Number 3, t. 1-12, pages 101-151. Stockholm.