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  • 30 Steromphala umbilicalis shedding ova. February 2013. Menai Strait.

    30 Steromphala umbilicalis shedding ova. February 2013. Menai Strait.
  • 29 Steromphala cineraria. April 2011. Menai Strait, Wales.

    29 Steromphala cineraria.  April 2011. Menai Strait, Wales.
  • 29 Steromphala umbilicalis adult 16.4mm wide (N. Scotland) and (on right) young Phorcus lineatus 14mm wide (Weymouth).

    29  Steromphala umbilicalis adult 16.4mm wide (N. Scotland) and (on right) young Phorcus lineatus 14mm wide (Weymouth).
  • 28 Steromphala umbilicalis. July 1975. Loch Eriboll.

    28 Steromphala umbilicalis. July 1975. Loch Eriboll.
  • 28 Steromphala cineraria profile variation. Aug. 2013. Menai Strait, Wales.

    28 Steromphala cineraria profile variation. Aug. 2013. Menai Strait, Wales.
  • 27 Steromphala cineraria. Adult with tall pyramidal profile. March 2011. Menai Strait.

    27 Steromphala cineraria. Adult with tall pyramidal profile. March 2011. Menai Strait.
  • 27 Comparison small G. umbilicalis and G. cineraria.

    27 Comparison small G. umbilicalis and G. cineraria.
  • 26 Steromphala cineraria. April 2011. Menai Strait.

    26 Steromphala cineraria. April 2011. Menai Strait.
  • 26 Comparison small S. umbilicalis and S. cineraria.

    26 Comparison small S. umbilicalis and S. cineraria.
  • 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 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.
  • 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.
  • 22 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.

    22 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.
  • 21 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.

    21 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.
  • 20 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    20 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 19 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    19 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 19 Calliostoma zizyphinum

    19 Calliostoma zizyphinum
  • 18 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.

    18 Steromphala umbilicalis. H. 6mm, B.11.5mm. Aug. 2013. Menai Strait, Wales.
  • 18 Calliostoma zizyphinum

    18 Calliostoma zizyphinum
  • 17 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    17 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 17 Calliostoma zizyphinum

    17 Calliostoma zizyphinum
  • 16 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    16 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 16 Calliostoma zizyphinum

    16 Calliostoma zizyphinum
  • 15 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    15 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 15 Calliostoma zizyphinum

    15 Calliostoma zizyphinum
  • 14 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.

    14 Steromphala umbilicalis. H. 7.9mm, B. 12mm. Aug. 2013. Menai Strait, Wales.
  • 14 Calliostoma zizyphinum

    14 Calliostoma zizyphinum
  • 13 Steromphala umbilicalis. Radula action 2.

    13 Steromphala umbilicalis. Radula action 2.
  • 13 Calliostoma zizyphinum

    13 Calliostoma zizyphinum
  • 12 Steromphala umbilicalis. Radula action 1.

    12 Steromphala umbilicalis. Radula action 1.
  • 12 Phorcus lineatus

    12 Phorcus lineatus
  • 12 Calliostoma zizyphinum

    12 Calliostoma zizyphinum
  • 11 Steromphala umbilicalis. Mouth.

    11 Steromphala umbilicalis. Mouth.
  • 11 Calliostoma zizyphinum

    11 Calliostoma zizyphinum
  • 10 Steromphala umbilicalis. Radula action 3.

    10 Steromphala umbilicalis. Radula action 3.
  • 10 Calliostoma zizyphinum

    10 Calliostoma zizyphinum
  • 09 Steromphala umbilicalis

    09 Steromphala umbilicalis
  • 09 Calliostoma zizyphinum

    09 Calliostoma zizyphinum
  • 08 Steromphala umbilicalis

    08 Steromphala umbilicalis
  • 08 Phorcus lineatus

    08 Phorcus lineatus
  • 08 Calliostoma zizyphinum

    08 Calliostoma zizyphinum
  • 07 Phorcus lineatus

    07 Phorcus lineatus
  • 07 Calliostoma zizyphinum

    07 Calliostoma zizyphinum
  • 06 Calliostoma zizyphinum. H. 14 mm. Portland Harbour. April 2012.

    06 Calliostoma zizyphinum. H. 14 mm. Portland Harbour. April 2012.
  • 05 Gibbula umbilicalis.

    05 Gibbula umbilicalis.
  • 05 Calliostoma zizyphinum

    05 Calliostoma zizyphinum
  • 04 Steromphala umbilicalis

    04 Steromphala umbilicalis
  • 04 Phorcus lineatus

    04 Phorcus lineatus
  • 04 Calliostoma zizyphinum

    04 Calliostoma zizyphinum
  • 03 Calliostoma zizyphinum

    03 Calliostoma zizyphinum
  • Imprint
Marinvert

Photographic guide to the identification and biology of European marine invertebrates

Marinvert
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