Nacella Explained

Nacella is a southern, cold-water genus of true limpets, marine gastropod molluscs in the family Nacellidae, the true limpets.^[1]

These limpets are found in the littoral zone and sublittoral zone of Antarctic and sub-Antarctic waters including (Tierra del Fuego, Macquarie Island, Kerguelen Island, and Heard and McDonald Islands). The grayish-brown shell is suboval and flattened and the ribbing on the shell is rather flat. The shiny interior of the shell is rust-colored or chocolate-brown.

Species

Species within the genus Nacella include:

• Nacella clypeater R. P. Lesson, 1831 - Chilean copper limpet
• Nacella concinna Strebel, 1908 ^[2]
• Nacella deaurata J. F. Gmelin, 1791 - Patagonian copper limpet
• Nacella delesserti Philippi, 1849 ^[2]
• Nacella edgari Powell, 1957 ^[2]
• Nacella flammea Gmelin, 1791
• Nacella kerguelenensis (E. A. Smith, 1877)
• Nacella macquariensis Finlay, 1927
• Nacella magellanica J. F. Gmelin, 1791 - Magellanic copper limpet
• Nacella mytilina Helbling, 1779
• Nacella terroris (Filhol, 1880)
• Nacella yaghana sp. nov. González-Wevar & Nakano, 2019^[2]

Species brought into synonymy:

• † Nacella baylei Cossmann, 1882: synonym of † Acroreia baylei (Cossmann, 1882) (new combination)
• Nacella cernica H. Adams, 1869: synonym of Cellana livescens (Reeve, 1855)
• Nacella chiloensis (Reeve, 1855): synonym of Nacella magellanica (Gmelin, 1791)
• Nacella compressa Verco, 1906: synonym of Naccula compressa (Verco, 1906)
• Nacella compressa Mabille & Rochebrune, 1889: synonym of Nacella mytilina (Helbling, 1779)
• Nacella crebristriata Verco, 1904: synonym of Asteracmea crebristriata (Verco, 1904)
• Nacella delicatissima Strebel, 1907: represents particular morphotypes of Nacella deaurata (Gmelin, 1791)^[2]
• Nacella falklandica Preston, 1913: synonym of Nacella mytilina (Helbling, 1779)
• Nacella flexuosa Hutton, 1873: synonym of Cellana radians (Gmelin, 1791)
• Nacella fuegiensis L. A. Reeve, 1855 - Tierra del Fuego limpet: synonym of Nacella deaurata (Gmelin, 1791)
• Nacella mytiloides Schumacher, 1817: synonym of Nacella mytilina (Helbling, 1779)
• Nacella parva Angas, 1876: synonym of Naccula parva (Angas, 1876)
• Nacella peltoides Carpenter, 1864: synonym of Williamia peltoides (Carpenter, 1864)
• Nacella polaris (Hombron & Jacquinot, 1841): synonym of Nacella concinna (Strebel, 1908)^[2]
• Nacella stowae Verco, 1906: synonym of Asteracmea stowae (Verco, 1906)
• Nacella strigatella Rochebrune & Mabille, 1885: synonym of Nacella deaurata (Gmelin, 1791)
• Nacella subspiralis Carpenter, 1864: synonym of Williamia subspiralis (Carpenter, 1864)
• Nacella tasmanica Tate & May, 1900: synonym of Propilidium tasmanicum (Pilsbry, 1895) (junior synonym)
• Nacella venosa (Reeve, 1855): synonym of Nacella magellanica (Gmelin, 1791)

References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979

External links

• Schumacher, C. F. (1817). Essai d'un nouveau système des habitations des vers testacés. Schultz, Copenghagen. iv + 288 pp., 22 pls
• González-Wevar C.A., Hüne M., Rosenfeld S., Nakano T., Saucède T., Spencer H. & Poulin E. (2018). Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America. Zoological Journal of the Linnean Society. DOI: 10.1093/zoolinnean/zly067
• New Zealand mollusca checklist

Notes and References

1. Bouchet, P.; Gofas, S. (2015). Nacella Schumacher, 1817. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=196963 on 2015-01-26
2. González-Wevar . Claudio A. . Hüne . Mathias . Rosenfeld . Sebastián . Nakano . Tomoyuki . Saucède . Thomas . Spencer . Hamish . Poulin . Elie . Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America . Zoological Journal of the Linnean Society . 186 . 2 . 303–336 . 2019 . 10.1093/zoolinnean/zly067 .