(of)Broderip, W. J. & Sowerby, G. B. I. (1829). Observations on new or interesting Mollusca contained, for the most part, in the Museum of the Zoological Society. <em>Zoological Journal.</em> 4: 359-379, pl. 9. [January]., available online athttp://biodiversitylibrary.org/page/27485275 page(s): 371 [details]
MolluscaBase eds. (2025). MolluscaBase. Margarites groenlandicus umbilicalis (Broderip & G. B. Sowerby I, 1829). Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=236799 on 2025-06-06
Marine Species Traits editorial board (2025). Marine Species Traits. Margarites groenlandicus umbilicalis (Broderip & G. B. Sowerby I, 1829). Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=236799 on 2025-06-06
original description(of)Broderip, W. J. & Sowerby, G. B. I. (1829). Observations on new or interesting Mollusca contained, for the most part, in the Museum of the Zoological Society. <em>Zoological Journal.</em> 4: 359-379, pl. 9. [January]., available online athttp://biodiversitylibrary.org/page/27485275 page(s): 371 [details]