Fissurella nigra, commonly called the black keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae.Rosenberg, G. (2012). Fissurella nigra Lesson, 1831. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532846 on 2012-12-31McLean J.H. (1984) Systematics of Fissurella in the Peruvian and Magellanic faunal provinces (Gastropoda: Prosobranchia). Contributions in Science, Natural History Museum of Los Angeles County 354: 1-70. (29 October 1984)
Description The size of the shell varies between 45mm and 115mm. The shell is conically shaped. At the apex of the shell, there is a small hole, often called the keyhole. The color is usually dark, such as black, reddish, or brown, and the ribs are often rough.
Distribution This marine species is found from Peru to the Strait of Magellan, excluding the Galápagos Islands.
References
External links
Antarctic Invertebrates Biodiversity Heritage Library (21 publications) Encyclopedia of Life World Register of Marine Species