Norenburg, J.; Chernyshev, A.; Kajihara, H.; Maslakova, S. (2024). World Nemertea Database.
Tetrastemma vastum Bürger, 1895. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=122805 on 2024-11-27