Ax, P. (1959). Zur Systematik Oekologie und Tiergeographie der Turbellarienfauna in den ponto-kaspischen Brackwassermeeren. <em>Zoologisher Jahrbucherabteilung fur Systematik, Geographie und Biologie de Tierre.</em> 87: 43-184.[details] Available for editors
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2021). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Utelga aculeata Ax, 1959. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=155726 on 2024-05-18
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Utelga aculeata Ax, 1959. Accessed at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=155726 on 2024-05-18
original descriptionAx, P. (1959). Zur Systematik Oekologie und Tiergeographie der Turbellarienfauna in den ponto-kaspischen Brackwassermeeren. <em>Zoologisher Jahrbucherabteilung fur Systematik, Geographie und Biologie de Tierre.</em> 87: 43-184.[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality