Norenburg, J.; Chernyshev, A.; Kajihara, H.; Maslakova, S. (2025). World Nemertea Database. Notospermus annulatus (Grube, 1840). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1776084 on 2025-05-15
new combination referenceKajihara, H.; Ganaha, I.; Kohtsuka, H. (2022). Lineid heteronemerteans (Nemertea: Pilidiophora) from Sagami Bay, Japan, with some proposals for the family-level classification system. <em>Zoological Science.</em> 39(1): 62–80., available online athttp://DOI:10.2108/zs210059[details] Available for editors [request]
Other
additional sourceKahrić, A.; Delić, D.; Kulijer, D. (2022). <i>Notospermus annulatus</i> (Nemertea: Lineidae), a new record for Bosnia and Herzegovina. <em>Annales, Series Historia Naturalis.</em> 32(1): 205–210., available online athttps://doi.org/10.19233/ASHN.2022.21[details]