Falsimargarita is a genus of sea snails, marine gastropod mollusks in the family Calliostomatidae.
Description This genus differs from the other genera in the family Calliostomatidae by several characteristics: the conspicuous spiral whorls, obvious sculpture, an open umbilicus, a thin shell and external iridescence.de Carvalho Rios & Simone, A new species of Falsimargarita (Gastropoda: Vetigastropoda: Trochidae) from the South Atlantic Ocean; The Nautilus v. 119 (2005)
Distribution The species of this cold-water genus occurs in Antarctic waters and off the Magellanic Region of South America.
Species Species within the genus Falsimargarita include:
Falsimargarita atlantoides (Quinn, 1992) Falsimargarita benthicola Dell, 1990 Falsimargarita callista B. A. Marshall, 2016 Falsimargarita challengerica B. A. Marshall, 2016 Falsimargarita coriolis B. A. Marshall, 2016 Falsimargarita coronata (Quinn, 1992) Falsimargarita eximia B. A. Marshall, 2016 Falsimargarita gemma (E.A. Smith, 1915) Falsimargarita georgiana Dell, 1990 Falsimargarita glaucophaos (Barnard, 1963) Falsimargarita imperialis (Simone & Birman, 2006) Falsimargarita iris (E.A. Smith, 1915) Falsimargarita kapala B. A. Marshall, 2016 Falsimargarita nauduri Warén & Bouchet, 2001 †Falsimargarita parvispira Quilty, Darragh, Gallagher & Harding, 2016 Falsimargarita renkeri Engl, 2020 Falsimargarita stephaniae Rios & Simone, 2005 Falsimargarita tangaroa B. A. Marshall, 2016 Falsimargarita terespira Simone, 2008 Falsimargarita thielei (Hedley, 1916)
References
Dell R.K. (1990). Antarctic Mollusca with special reference to the fauna of the Ross Sea. Bulletin of the Royal Society of New Zealand., 27, 1–3,264-285 pp. page(s): 93 Marshall, B. A. (2016). New species of Venustatrochus Powell, 1951 from New Zealand, and new species of Falsimargarita Powell, 1951 and a new genus of the Calliostomatidae from the southwest Pacific, with comments on some other calliostomatid genera (Mollusca: Gastropoda). Molluscan Research. 36: 119-141
External links Powell A. W. B. (1951). Antarctic and Subantarctic Mollusca: Pelecypoda and Gastropoda. Discovery Reports, 26: 47-196, pl. 5-10