Falsimargarita

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.

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)