MolluscaBase eds. (2021). MolluscaBase. Margarites groenlandicus umbilicalis (Broderip & G. B. Sowerby I, 1829). Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=236799 on 2021-03-02
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2021). European Register of Marine Species. Margarites groenlandicus umbilicalis (Broderip & G. B. Sowerby I, 1829). Accessed at: http://vliz.be/vmdcdata/narms/narms.php?p=taxdetails&id=236799 on 2021-03-02
basis of recordKantor Yu.I. & Sysoev A.V. (2006) <i>Marine and brackish water Gastropoda of Russia and adjacent countries: an illustrated catalogue.</i> Moscow: KMK Scientific Press. 372 pp. + 140 pls. (look up in IMIS) page(s): 33 [details]
Present Inaccurate Introduced: alien Containing type locality