Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Haploposthia pellucidus (Westblad, 1942). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://www.marbef.org/data/aphia.php?p=taxdetails&id=480305 on 2024-04-19
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Haploposthia pellucidus (Westblad, 1942). Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=480305 on 2024-04-19
original description(ofParanaperus pellucidus Westblad, 1942)Westblad, E. (1942). Studien ueber skandinavische Turbellaria Acoela. II. Arkiv Zool, 33A(14): 1-48[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality