Lodderia coatsiana is a species of sea snail, a marine gastropod mollusk in the family Skeneidae.Rosenberg, G. (2013). Lodderia coatsiana (Melvill & Standen, 1912). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532990 on 1 September 2013
Description The height of the shell attains 2.25 mm. This is a small, solid, white shell with a deep umbilicus, elegantly sculptured. It contains 4 whorls, with two apical sleek, white whorls. The two others are aequicostate with smooth, thickened, subflexuous ribs. The penultimate whorl is very flat. The last whorl has four spiral keels, with a blunt keel below the sutures, two at the periphery. The aperture is round.Melvill & Standen (1912), The Marine Mollusca of the Scottish National Antarctic Expedition Part II. Being a supplementary catalogue. Transactions of the Royal Society of Edinburgh. v.48 (1912)
Distribution This marine species occurs in the Magellanic Strait off Argentina at a depth of about 100 m.
References
Engl W. (2012) Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.