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  • 54 Patella ulyssiponensis. Shell and mantle removed. Shell length 24.7mm. North Yorkshire. September 2014.

    54 Patella ulyssiponensis. Shell and mantle removed. Shell length 24.7mm. North Yorkshire. September 2014.
  • 52 Patella ulyssiponensis. Shell length 40.5mm. North Yorkshire. September 2014.

    52 Patella ulyssiponensis. Shell length 40.5mm. North Yorkshire. September 2014.
  • 47 Patella ulyssiponensis album. Comparison image of P. depressa. Shell length 30mm. Lleyn, Wales. September 2015.

    47 Patella ulyssiponensis album. Comparison image of  P. depressa. Shell length 30mm. Lleyn, Wales. September 2015.
  • 47 Patella depressa album. Image of pallial tentacles on P. vulgata for comparison. Menai Strait, Wales. June, 2013.

    47 Patella depressa album. Image of pallial tentacles on P. vulgata for comparison. Menai Strait, Wales. June, 2013.
  • 47 Nucella lapillus album. Backlit image of interior of Patella ulyssiponensis shell. Lleyn, North Wales. September 2015.

    47 Nucella lapillus album. Backlit image of interior of Patella ulyssiponensis shell. Lleyn, North Wales. September 2015.
  • 42 Patella ulyssiponensis album. Image of pallial tentacles on P. vulgata for comparison. Menai Strait, Wales. June, 2013.

    42 Patella ulyssiponensis album. Image of pallial tentacles on P. vulgata for comparison. Menai Strait, Wales. June, 2013.
  • 40e Nucella lapillus album; Patella shells bored by Nucella lapillus. Lengths 39.7mm, 31.9mm and 36.6mm. Guernsey. Leg. D. Flint.

    40e  Nucella lapillus album; Patella shells bored by Nucella lapillus. Lengths 39.7mm, 31.9mm and 36.6mm. Guernsey. Leg. D. Flint.
  • 40d Nucella lapillus bore-hole viewed from interior of Patella depressa (33mm long). Lleyn, North Wales. September 2015.

    40d Nucella lapillus bore-hole viewed from interior of Patella depressa (33mm long). Lleyn, North Wales. September 2015.
  • 40c Nucella lapillus incomplete bore-hole on Patella depressa (29.5mm long). Lleyn, North Wales. September 2015.

    40c Nucella lapillus incomplete bore-hole on Patella depressa (29.5mm long). Lleyn, North Wales. September 2015.
  • 40b Nucella lapillus bore-hole on Patella depressa (33mm long). Lleyn, North Wales. September 2015.

    40b Nucella lapillus bore-hole on Patella depressa (33mm long). Lleyn, North Wales. September 2015.
  • 40a Nucella lapillus boring into Patella depressa (33mm long). Lleyn, North Wales. September 2015.

    40a Nucella lapillus boring into Patella depressa (33mm long). Lleyn, North Wales. September 2015.
  • 39b Nucella lapillus. Feeding on Mytilus edulis. North Cornwall, England. April 2008. Leg. & copyright N. Ward.

    39b Nucella lapillus. Feeding on Mytilus edulis. North Cornwall, England. April 2008. Leg. & copyright N. Ward.
  • 39a Nucella lapillus. Feeding on Mytilus edulis. North Cornwall, England. April 2008. Leg. & copyright N. Ward.

    39a Nucella lapillus. Feeding on Mytilus edulis. North Cornwall, England. April 2008. Leg. & copyright N. Ward.
  • 39 Phorcus lineatus

    39 Phorcus lineatus
  • 39 Patella depressa. Length 30.6mm. South Devon. Leg. J. Light.

    39 Patella depressa. Length 30.6mm. South Devon. Leg. J. Light.
  • 38 Patella ulyssiponensis. Odontophore and licker. North Yorkshire. September 2014.

    38 Patella ulyssiponensis. Odontophore and licker.  North Yorkshire. September 2014.
  • 38 Patella depressa

    38 Patella depressa
  • 37 Patella ulyssiponensis. Shell, epithelium of head, and all viscera removed, except buccal mass and radula. Shell length 24.7mm. North Yorkshire. September 2014.

    37 Patella ulyssiponensis. Shell, epithelium of head, and all viscera removed, except buccal mass and radula. Shell length 24.7mm. North Yorkshire. September 2014.
  • 37 Patella depressa โ€“ probable. Features intermediate between spp. Lleyn, Wales. October 2015. Leg. S. Payne.

    37 Patella depressa โ€“ probable. Features intermediate between spp. Lleyn, Wales. October 2015. Leg. S. Payne.
  • 36 Patella ulyssiponensis. Shell and all viscera removed, except radula, and buccal mass with epithelium. Shell length 24.7mm. North Yorkshire. September 2014.

    36 Patella ulyssiponensis. Shell and all viscera removed, except radula, and buccal mass with epithelium. Shell length 24.7mm. North Yorkshire. September 2014.
  • 34 Patella depressa. Shell length 28mm. Overlying viscera removed to expose radula and male gonads. Lleyn, Wales. September 2015.

    34 Patella depressa. Shell length 28mm. Overlying viscera removed to expose radula and male gonads. Lleyn, Wales. September 2015.
  • 33 Patella depressa. Radula after treatment in 10% solution NaOH to remove radular sac. Lleyn, Wales. September 2015.

    33 Patella depressa. Radula after treatment in 10% solution NaOH to remove radular sac. Lleyn, Wales. September 2015.
  • 32 Patella depressa. Odontophore. Lleyn, Wales. September 2015.

    32 Patella depressa. Odontophore. Lleyn, Wales. September 2015.
  • 31 Patella depressa

    31 Patella depressa
  • 31 Nucella lapillus. Juvenile. Shell height 3mm. Menai Strait, Wales. August 2013.

    31 Nucella lapillus. Juvenile. Shell height 3mm. Menai Strait, Wales. August 2013.
  • 30 Patella depressa. Shell length 28mm. Mantle removed from viscera of male with gonads. Lleyn, Wales. September 2015.

    30 Patella depressa. Shell length 28mm. Mantle removed from viscera of male with gonads. Lleyn, Wales. September 2015.
  • 29 Phorcus lineatus

    29 Phorcus lineatus
  • 29 Patella depressa. Length 27mm. Lleyn, Wales. September 2015.

    29 Patella depressa. Length 27mm. Lleyn, Wales. September 2015.
  • 28 Steromphala umbilicalis. July 1975. Loch Eriboll.

    28 Steromphala umbilicalis. July 1975. Loch Eriboll.
  • 28 Phorcus lineatus

    28 Phorcus lineatus
  • 28 Patella depressa. Shell length 27mm. Membrane over viscera, and epithelium of head, removed. Lleyn, Wales. September 2015.

    28 Patella depressa. Shell length 27mm. Membrane over viscera, and epithelium of head, removed. Lleyn, Wales. September 2015.
  • 27 Phorcus lineatus

    27 Phorcus lineatus
  • 27 Patella depressa. Shell-length 27mm. Mantle removed. Lleyn, Wales. September 2015.

    27 Patella depressa. Shell-length 27mm. Mantle removed. Lleyn, Wales. September 2015.
  • 27 Comparison small G. umbilicalis and G. cineraria.

    27 Comparison small G. umbilicalis and G. cineraria.
  • 26 Tectura virginea. 7mm long radula and odontophore from specimen with shell-length 6.6mm. North Yorkshire. September 2014.

    26 Tectura virginea. 7mm long radula and odontophore from specimen with shell-length 6.6mm. North Yorkshire. September 2014.
  • 26 Phorcus lineatus

    26 Phorcus lineatus
  • 26 Patella depressa. Shell-length 27mm. Mantle folded back from nuchal cavity. Lleyn, Wales. September 2015.

    26 Patella depressa. Shell-length 27mm. Mantle folded back from nuchal cavity. Lleyn, Wales. September 2015.
  • 26 Comparison small S. umbilicalis and S. cineraria.

    26 Comparison small S. umbilicalis and S. cineraria.
  • 25 Tectura virginea. 7mm long radula and odontophore cartilages from specimen with shell-length 6.6mm. North Yorkshire. September 2014.

    25 Tectura virginea. 7mm long radula and odontophore cartilages from specimen with shell-length 6.6mm. North Yorkshire. September 2014.
  • 25 Phorcus lineatus

    25 Phorcus lineatus
  • 25 Patella depressa. Shell length 28mm. Viscera removed to expose interior face of foot. Lleyn, Wales. September 2015.

    25 Patella depressa. Shell length 28mm. Viscera removed to expose interior face of foot. Lleyn, Wales. September 2015.
  • 25 Nucella lapillus. Mouth of Mersey Estuary, England. July 2014.

    25 Nucella lapillus. Mouth of Mersey Estuary, England. July 2014.
  • 25 Comparison of medium-sized S. umbilicalis and S. cineraria. Aug. 2013. Menai Strait, Wales.

    25 Comparison of medium-sized S. umbilicalis and S. cineraria. Aug. 2013. Menai Strait, Wales.
  • 24 Tectura virginea. Shell-length 10mm. Male; viscera removed down to muscles of sole, apart from radula and odontophore. North Yorkshire. September 2014.

    24 Tectura virginea. Shell-length 10mm. Male; viscera removed down to muscles of sole, apart from radula and odontophore. North Yorkshire. September 2014.
  • 24 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    24 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 24 Phorcus lineatus

    24 Phorcus lineatus
  • 24 Patella depressa. Shell length 27mm. Foot, radula and odontophore. Lleyn, Wales. September 2015.

    24 Patella depressa. Shell length 27mm. Foot, radula and odontophore. Lleyn, Wales. September 2015.
  • 23 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.

    23 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.
  • 23 Steromphala cineraria. Menai Strait, Wales. February 2014.

    23 Steromphala cineraria. Menai Strait, Wales. February 2014.
  • 23 Phorcus lineatus

    23 Phorcus lineatus
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Marinvert

Photographic guide to the identification and biology of European marine invertebrates

Marinvert
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