Nacella

Nacella is a southern, cold-water genus of true limpets, marine gastropod molluscs in the family Patellidae, the true limpets.

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 concinna (Strebel, 1908)
• Nacelaa deaurata Gmelin, 1791 - Patagonian copper limpet
• Nacella clypeater R. P. Lesson, 1831 - Chilean copper limpet
• Nacella concinna H. Strebel, 1908 - Antarctic limpert, South Polar limpet
• Nacella deaurata J. F. Gmelin, 1791
• Nacella delesserti Hodgson and Bernard, 1989
• Nacella delicatissima Strebel, 1907
• Nacella flammea Gmelin, 1791
• Nacella fuegiensis L. A. Reeve, 1855 - Tierra del Fuego limpet
• 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)

Species brought into synonymy 

• Nacella peltoides Carpenter, 1864 : synonym of Williamia peltoides (Carpenter, 1864)
• Nacella subspiralis Carpenter, 1864 : synonym of Williamia subspiralis (Carpenter, 1864)

References

• Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
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