Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Childia gracilis (Westblad, 1945). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=379913 on 2024-04-18
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Childia gracilis (Westblad, 1945). Accessed at: https://www.vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=379913 on 2024-04-18
original description(ofParaphanostoma gracilis Westblad, 1945)Westblad, E. (1945). Studien ueber skandinavische Turbellaria Acoela. III. Ark Zool, 36A(5):1-56[details] Available for editors