Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Childia macroposthium (Steinböck, 1931). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=379915 on 2024-04-19
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024). European Register of Marine Species. Childia macroposthium (Steinböck, 1931). Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=379915 on 2024-04-19
original description(ofParaphanostoma macroposthium Steinböck, 1931)Steinböck, O. (1931). Marine Turbellaria. <em>In: Jensen S, Lundbeck W, Mortensen Th (eds): Zoology of the Faroes. Copenhagen.</em> 8: 26 pp, 16 fig.[details] Available for editors