Falsimargarita Explained

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.^[1]

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

Notes and References

1. https://archive.org/details/nautilus119amer de Carvalho Rios & Simone, A new species of Falsimargarita (Gastropoda: Vetigastropoda: Trochidae) from the South Atlantic Ocean; The Nautilus v. 119 (2005)