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. Thallagus Marcus, 1951. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=479397 on 2026-08-29
Marcus, Er. (1951). Turbellaria Brasileiros (9). Boletins da Faculdade Filosofia, Ciencias e Letras, Universidade de Sao Paulo, Zoologia. 16: 1-217; plates i-xl.