MolluscaBase (2019). MolluscaBase. Circe nummulina G. B. Sowerby II, 1851. Accessed at: http://www.molluscabase.org/aphia.php?p=taxdetails&id=538783 on 2019-12-12
basis of recordHuber, M. (2010). Compendium of bivalves. A full-color guide to 3,300 of the world's marine bivalves. A status on Bivalvia after 250 years of research. Hackenheim: ConchBooks. 901 pp., 1 CD-ROM. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality