Capulus ungaricus, common name the bonnet shell, is a species of medium-sized sea snail, a marine gastropod mollusk in the family Capulidae, the cap snails.Gofas, S. (2010). Capulus ungaricus (Linnaeus, 1758). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138984 on 2011-01-13
Taxonomy The original name of this species is Capulus ungaricus (Linnaeus, 1758). Later on, a few authors (e.g. Jeffreys, 1865, Thorson, 1941, Ziegelmeier, 1966, Lindner, 1977) changed the name erroneously in Capulus hungaricus. The correct date of publication is 1758 and not 1767 as Abbott (1974) and Lindner (1977) cited.
Distribution The distribution of Capulus ungaricus includes the sea off Greenland to off Florida. It is less common in the North Sea.
Description The maximum recorded shell length is 50 mm.Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. .
Habitat Minimum recorded depth is 1 m. Maximum recorded depth is 838 m. It is known also from seamounts and knolls.
Feeding habits It is a suspension feeder.
References This article incorporates CC-BY-SA-3.0 text from the reference
Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels. 50: 180–213
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