World Register of Marine Species (WoRMS)
Castrada (Castradella) granea Braun, 1885
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2026). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Castrada (Castradella) granea Braun, 1885. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=481270 on 2026-08-01
Braun, M. (1885). Die Rhabdocoeliden Turbellarien Livlands. Archiv für die Naturkunde Liv-, Ehst-, und Kurlands. Ser 2. 10 (2): 131–251. Plates 1–4.
Kennel, J. v. (1898). Mesostoma aselli n. sp. Zoologischer Anzeiger. 21: 639–641.
Nasonov, N. V. (1919). Contributions to the turbellarian fauna of Russia. I. Bulletin de l'Académie des Sciences de Russie. 6(12–18): 619-645. With two plates.