Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2023). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Childia gracilis (Westblad, 1945). Accessed through: Land J. van der (ed). (2008) UNESCO-IOC Register of Marine Organisms (URMO) at: https://www.marinespecies.org/urmo/aphia.php?p=taxdetails&id=379913 on 2024-07-04
Land J. van der (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). Childia gracilis (Westblad, 1945). Accessed at: https://marinespecies.org/urmo/aphia.php?p=taxdetails&id=379913 on 2024-07-04
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