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The Conchological Society of Great Britain and Ireland
Helping to understand, identify, record, and conserve molluscs
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        • Distribution of the Slipper Limpet
        • Status of Phenacolimax major
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    • Finding molluscs
      • Built-up areas
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      • Journal of Conchology Volume 44, Part 4, October 2022
      • Journal of Conchology Volume 44, Part 3, April 2022
      • Journal of Conchology Volume 44, Part 2, October 2021
      • Journal of Conchology Volume 44, Part 1, April 2021
      • Journal of Conchology Volume 39, Part 2, November 2006
      • Journal of Conchology Volume 39, Part 1, May 2006
    • Special publications
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      • Issue 1
        • Collecting East African marine snails
        • Field meeting to Box Hill
        • Introduction
        • Oyster Catchers feeding on Patella vulgata
      • Issue 2
        • Collecting localities in the Cape Province
        • Field meeting Walton-on-Naze
        • Herons, Moorhens and Rats feeding on Anodonta anatina
        • Introduction to molluscan taxonomy 1) Species and subspecies
        • Volutes
      • Issue 3
        • Introduction to molluscan taxonomy 2) The significance of types
        • Land and freshwater snails: additions to the British List since 1926
        • Littoral collecting in the Scilly Isles
        • Snails in a Sussex garden
      • Issue 4
        • Biographical Note
        • Introduction to molluscan taxonomy 3) The genus
        • Learning in Nucella lapillus
        • Mollusca on Liverpool bomb sites
        • The Cardiacea
        • The Strombidae
      • Issue 5
        • A suggested method for extracting the animals from small high-spired shells
        • Commensual crabs in Mytilus edulis
        • Field meeting at Shell Bay, Dorset
        • Field meeting at West Runton and Overstrand
        • Introduction to molluscan taxonomy 4) Taxonomic history
        • J.G. Bruguiere 1750-98
      • Issue 6
        • A little more biography
        • Field meeting at Amberley
        • Field meeting to Grasswood, Yorkshire May 1962
        • Marine collecting in New Zealand
        • Marine mollusca of Carnac, Brittany
        • On the use and misuse of common names
        • Strand shells after Cornish gales
        • Trochus magus in the Isle of Wight
      • Issue 7
        • 35 years collecting
        • Field meeting Epping Forest
        • Field meeting White Downs
        • More strand shells after Cornish gales
        • Natural History Museum at Craster
        • Notes on the pholadidae
      • Issue 8
        • Field meeting at Norwich
        • Geology for conchologists - Introduction
        • Geology for conchologists - The last 15,000 years
        • The Strophocheilidae
      • Issue 9
        • More autobiography
        • Sinistrorsity
        • Some etymology
        • Systematics sewn up
      • Issue 10
        • Field meeting at Norbury Park
        • Papers for students
        • Rearing snails from the egg
      • Issue 11
        • David Landsborough
        • Field meeting at Albury
        • Field meeting at Leith Hill
        • Posting living mollusca
        • Snails extinct in England but living abroad
        • Still more autobiography
        • The Viviparidae
  • Molluscs
    • Species Accounts
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      • Common British & Irish garden molluscs
      • British Vertigos
      • Freshwater and Brackish-water Snails of Britain and Ireland
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        • Eine Kleine Snailmusik
        • History
        • Leopold Blaschka glass animals in Dublin’s Natural History Museum
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        • Recipe for repose
        • The Shell Collector
        • The Snail 2
        • The Snail 3
        • The Snail
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    Breadcrumb

    1. Home
    2. Molluscs
    3. Encyclopedia
    4. Marine snail

    Marine snails

    Myosotella myosotis. Heights 7.5mm and 6mm. 2 or 3 teeth on inner lip. 0 or 1(max.) tooth on outer lip. Lip thickens when mature (larger specimen). MHW, salt marsh, brackish 22ppt, Severn Estuary, August 2011.
    Myosotella myosotis
    Myosotella denticulata. Shell height 6.5mm. Aperture lacks an operculum. Images of live animal in water. High water mark and just above. Salting on sheltered Menai Strait (full salinity sea water). Under stones with terrestrial invertebrates.
    Myosotella denticulata
    Emarginula fissura
    Emarginula fissura
    Diodora graeca
    Diodora graeca
    Tricolia pullus
    Tricolia pullus
    Margarites helicinus
    Margarites helicinus
    Gibbula tumida
    Gibbula tumida
    Gibbula cineraria
    Gibbula cineraria
    Gibbula umbilicalis
    Gibbula umbilicalis
    Jujubinus miliaris
    Jujubinus miliaris
    Jujubinus montagui
    Jujubinus montagui
    Osilinus lineatus
    Phorcus lineatus
    Calliostoma zizyphinum
    Calliostoma zizyphinum
    Calliostoma granulatum
    Calliostoma granulatum
    Tectura testudinalis
    Testudinalia testudinalis (O. F. Müller, 1776)
    Tectura virginea
    Tectura virginea
    Dorsal (left) and ventral view of shell
    Patella depressa
    Dorsal (left) and ventral view of shell
    Patella ulyssiponensis
    Dorsal (left) and ventral view of shell
    Patella vulgata
    Helcion pellucidum
    Patella pellucida Linnaeus, 1758
    Turritella communis
    Turritellinella tricarinata (Brocchi, 1814)
    Cerithiopsis tubercularis. Glossy maroon shell. 3 spiral rows of tubercles on each whorl, except 4 smooth apical whorls of protoconch. Base of final whorl lacks tubercles. Small black tipped siphon in siphonal notch. On fine red seaweed. Menai, Aug. 2010.
    Cerithiopsis tubercularis
    Lacuna crassior
    Lacuna crassior
    Lacuna pallidula
    Lacuna pallidula
    Lacuna vincta. Long cephalic tentacles. Two smaller metapodial tentacles on rear of foot. Menai Strait, Wales. Febuary 2011.
    Lacuna vincta
    Littorina littorea
    Littorina littorea
    Littorina nigrolineata
    Littorina nigrolineata
    Littorina obtusata
    Littorina obtusata
    Littorina saxatilis
    Littorina saxatilis/arcana agg.
    Juvenile Rissoa parva. Shell height 2.6mm. c: costa (yet to develop on much of body whorl). s: bifid snout. l: brown spiral line connecting transverse brown streaks (spiral line absent on some shells). LWS, Menai Strait, Wales. September 2011.
    Rissoa parva
    Hydrobia ulvae on Enteromorpha. H. ulvae is named after Ulva on which it can also be found. It moves through the weed with the aid of prehensile lobes on the front of its foot. Shell 4.2mm high, deep suture form. Mouth of Dee Estuary.
    Hydrobia ulvae
    Potamopyrgus antipodarum. Darker dorsal surface of tentacle and fine white medial line indicated by arrow. Ribbing inside aperture is ctenidium (gill). From slowly flowing freshwater pool at top of salting, Dee Estuary, Cheshire
    Potamopyrgus antipodarum
    Live juveniles of Caecum armoricum collected from the Fleet, Dorset in October 2011 by Lin Baldock.
    Caecum armoricum
    Aporrhais pespelecani
    Aporrhais pespelecani
    Calyptraea chinensis
    Calyptraea chinensis
    Crepidula fornicata
    Crepidula fornicata
    Capulus ungaricus
    Capulus ungaricus
    Trichotropis borealis
    Trichotropis borealis
    Simnia patula
    Simnia patula
    Trivia arctica with mantle half retracted. Dark marks frequent on edge of mantle but never on the shell. Usually less common live on shore than T. monacha, but 100+ seen on a shore on Menai Strait, Wales August 2010.
    Trivia arctica
    Trivia monacha, live adult. Mantle half extended, lateral view. LWS, Menai Strait, Wales. Aug. 2010.
    Trivia monacha
    Erato voluta
    Erato voluta
    Velutina velutina
    Velutina velutina
    Polinices montagui
    Polinices montagui
    Polinices pulchellus
    Polinices pulchellus
    Euspira catena
    Euspira catena
    Marshallora adversa 6.3mm ~ Mweenish Island, County Galway
    Marshallora adversa
    Epitonium clathrus
    Epitonium clathrus
    Epitonium trevelyanum
    Epitonium trevelyanum
    Epitonium turtonis
    Epitonium turtonis
    Melanella alba
    Melanella alba
    Trophon barvicensis
    Trophon barvicensis
    Trophon muricatus
    Trophon muricatus
    Trophon truncatus
    Trophon truncatus
    Ocenebra erinacea
    Ocenebra erinacea
    Nucella lapillus
    Nucella lapillus
    Buccinum humphreysianum
    Buccinum humphreysianum
    Buccinum undatum
    Buccinum undatum
    Colus gracilis
    Colus gracilis
    Colus jeffreysianus
    Colus jeffreysianus
    Neptunea antiqua
    Neptunea antiqua
    Volutopsius norvegicus
    Volutopsius norwegicus
    Comparison T. nitida with T. reticulata sensu stricto. Key to numbers in Species account description.
    Tritia nitida (Jeffreys, 1867)
    Hinia reticulata
    Tritia reticulata (Linnaeus, 1758)
    Hinia incrassata
    Tritia incrassata (Strøm, 1768)
    Hinia pygmaea
    Tritia varicosa (W. Turton, 1825)
    Haedropleura septangularis
    Haedropleura septangularis
    Mangelia nebula
    Mangelia nebula
    Raphitoma linearis 6.4mm ~ Borth, Ceredigion
    Raphitoma linearis
    Teretia anceps
    Teretia anceps
    Turbonilla lactea 8.4mm ~ Mweenish Island, County Galway
    Turbonilla lactea
    Acteon tornatilis
    Acteon tornatilis
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