Overview
Distribution
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Müller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=9269
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Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=1
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
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Dumoulin, E. (1989). Micromolluscs in sand suppletions from the Goote Bank [Micromollusken uit opgespoten zand afkomstig van de Goote Bank]. De Strandvlo 9(1): 21-31
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=138713
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Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180-213
http://www.marinespecies.org/mollusca/aphia.php?p=sourcedetails&id=1364
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Vanhaelen, M.-Th. (1989). Some observations on the beach between Koksijde and Oostduinkerke during and after the warm summer of 1989 [Enkele waarnemingen van het strand tussen Koksijde en Oostduinkerke tijdens en na de warme zomer van 1989]. De Strandvlo 9(4): 117-120
http://www.marinespecies.org/mollusca/aphia.php?p=sourcedetails&id=138706
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MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=149081
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Guiry, M.D. & Guiry, G.M. (2011). Species.ie version 1.0 World-wide electronic publication, National University of Ireland, Galway (version of 15 March 2010).
http://www.marinespecies.org/ascidiacea/aphia.php?p=sourcedetails&id=149068
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Miller, Roberta. 2011. The St. Anne de Bellevue Arctic Biological Station Collection In Museum collection database, Fisheries and Oceans Canada digital collections, Maurice Lamontagne Institute, Quebec
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=150285
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Bossé, L., B. Sainte-Marie et J. Fournier (1996). Les invertébrés des fonds meubles et la biogéographie du fjord du Saguenay. Rapp. tech. can. sci. halieut. aquat. 2 132: vii + 45 p.
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=153966
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Miller, Roberta. 2012. The museum collection database, Fisheries and Oceans Canada digital collections, Maurice Lamontagne Institute, Quebec
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=163928
© WoRMS for SMEBD
Source:
World Register of Marine Species
Trusted
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
© WoRMS for SMEBD
Source:
World Register of Marine Species
Trusted
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Hayward, P.J.; Ryland, J.S. (Ed.) (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. Clarendon Press: Oxford, UK. ISBN 0-19-857356-1. 627 pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=1
© WoRMS for SMEBD
Source:
World Register of Marine Species
Trusted
Ecology
Habitat
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North-West Atlantic Ocean species (NWARMS)
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=2901
© WoRMS for SMEBD
Source:
World Register of Marine Species
Trusted
Water temperature and chemistry ranges based on 4 samples.
Environmental ranges
Depth range (m): 5.2 - 41.5
Temperature range (°C): 7.254 - 10.594
Nitrate (umol/L): 3.158 - 6.743
Salinity (PPS): 34.218 - 34.882
Oxygen (ml/l): 6.158 - 6.364
Phosphate (umol/l): 0.451 - 0.597
Silicate (umol/l): 2.413 - 5.019
Graphical representation
Depth range (m): 5.2 - 41.5
Temperature range (°C): 7.254 - 10.594
Nitrate (umol/L): 3.158 - 6.743
Salinity (PPS): 34.218 - 34.882
Oxygen (ml/l): 6.158 - 6.364
Phosphate (umol/l): 0.451 - 0.597
Silicate (umol/l): 2.413 - 5.019
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Wikipedia
Lacuna crassior
Lacuna crassior is a species of sea snail, a marine gastropod mollusk in the family Littorinidae, the winkles or periwinkles.[1]
Contents |
Distribution
Lacuna crassior is a circumboreal and subarctic species that has Britain as its southern limit. It has though be found in the Channel Islands and Roscoff, the edges of its southerly range.[2]
Description
Lacuna crassior is yellow in colour and can grow up to 14 × 10 mm in length. The maximum recorded shell length is 14 mm.[3] Its body is very similar in shape to the Lacuna vincta, with a long, broad snout and slender head tentacles. Its foot is elongated, with a double-edged anterior margin and two short, white, metapodial tentacles projecting from below the operculum. These metapodial tentacles are less flattened than those of Lacuna vincta.[4][2]
The Lacuna crassior has a strong shell, with six to seven turreted whorls. Its fine spiral striae and vertical costae are mostly obscured by thick periostracum, but form a series of irregular folds on the shell's last whorl. The umbilicus is occasionally closed and the umbilical groove reduced with the aperture drawn out and angulated at the base of the columella.[2][4]
Habitat
It is uncommon and occurs at low water spring tide (LWST), the lower part of the beach that is uncovered only a few times a month during spring tides. It also occurs offshore at a depths greater than 30 metres and up to 90 m. It can be found among stones within mud, sand, gravel and coarser sediments.[2]
Minimum recorded depth is 2 m.[3] Maximum recorded depth is 176 m.[3]
References
- ^ Lacuna crassior (Montagu, 1803). Gofas, S. (2010). Lacuna crassior (Montagu, 1803). 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=140167 on 6 June 2010.
- ^ a b c d Paul Chambers (2008). Channel Island marine molluscs: an illustrated guide to the seashells of Jersey, Guernsey, Alderney, Sark and Herm. Paul Chambers. pp. 83–84. ISBN 978-0-9560655-0-6. http://books.google.com/?id=6bUJWZOu8TQC&pg=PA85&dq=Lacuna+crassior
- ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
- ^ a b "Lacuna crassior". Marine Species Identification Portal. http://species-identification.org/species.php?species_group=mollusca&id=747. Retrieved 2010-07-24.
Source:
Wikipedia
Unreviewed
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