Coates, K. A.; Erseus, C. (1985). Marine Enchytraeids (Oligochaeta) of the Coastal Northwest Atlantic (Northern and Mid U.S.A.). <em>Zoologica Scripta.</em> 14(2): 103-116., available online athttps://doi.org/10.1111/j.1463-6409.1985.tb00181.x[details] Available for editors
Martin, P.; Reynolds, J.; van Haaren, T. (2025). World List of Marine Oligochaeta. Grania levis Coates & Erséus, 1985. 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=475700 on 2026-10-11
NARMS (2026). Grania levis Coates & Erséus, 1985. Accessed at: https://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=475700 on 2026-10-11
original descriptionCoates, K. A.; Erseus, C. (1985). Marine Enchytraeids (Oligochaeta) of the Coastal Northwest Atlantic (Northern and Mid U.S.A.). <em>Zoologica Scripta.</em> 14(2): 103-116., available online athttps://doi.org/10.1111/j.1463-6409.1985.tb00181.x[details] Available for editors
status sourcePrantoni, A.; Lana, P. C.; Erséus, C. (2017). Global checklist of species of Grania (Clitellata: Enchytraeidae) with remarks on their geographic distribution. <em>European Journal of Taxonomy.</em> 391:1-44., available online athttps://www.zobodat.at/pdf/EJT_0391_0001-0044.pdf[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
Present 