Karling, T. G. (1931). Untersuchungen über Kalyptorhynchia (Turbellaria Rhabdocoela) aus dem Brackwasser des Finnischen Meerbusens. <em>Acta Zoologica Fennica.</em> 11: 1-67. (look up in IMIS) [details] Available for editors
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2025). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Placorhynchus octaculeatus octaculeatus Karling, 1931. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=155972 on 2026-10-16
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2026). European Register of Marine Species. Placorhynchus octaculeatus octaculeatus Karling, 1931. Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=155972 on 2026-10-16
original descriptionKarling, T. G. (1931). Untersuchungen über Kalyptorhynchia (Turbellaria Rhabdocoela) aus dem Brackwasser des Finnischen Meerbusens. <em>Acta Zoologica Fennica.</em> 11: 1-67. (look up in IMIS) [details] Available for editors
additional sourceMuller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online athttp://www.vliz.be/imisdocs/publications/145561.pdf[details]
Present Inaccurate Introduced: alien Containing type locality
Present 
