Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2025). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Microstomum spiriferum Westblad, 1953. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=142801 on 2025-04-24
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Microstomum spiriferum Westblad, 1953. Accessed at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=142801 on 2025-04-24
basis of recordFaubel, A.; Noreña, C. (2001). Turbellaria, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 123-136 (look up in RoR) [details] Available for editors