Lepidochitona cinerea. Blue and brown variety. Typical banded girdle. 16-19 gills either side of foot, almost holobranch (= extend whole length of foot). Menai Strait, midshore. February 2011 Species Lepidochitona cinerea Photographer / copyright holder I.F. Smith
underside of gastropod Velutina velutina associated with Modiolus modiolus at Strollamus on Saturday 19 September 2009 Species Velutina velutina Photographer / copyright holder Ron Boyce
gastropod Velutina velutina associated with Modiolus modiolus at Strollamus, Isle of Skye on Saturday 19 September 2009 Species Velutina velutina Photographer / copyright holder Ron Boyce
Raphitoma purpurea in vitro from Parknahallagh Co. Clare Friday 28 September 2007 Species Raphitoma purpurea Photographer / copyright holder Ron Boyce
Raphitoma purpurea in vitro from Parknahallagh Co. Clare Friday 28 September 2007 Species Raphitoma purpurea Photographer / copyright holder Ron Boyce
Cerastoderma edule. Right valves of extremely large Orkney specimen, 75.0mm long, and marketable Cheshire specimen, 23.9mm long. Small specimen raised above plane of larger shell’s outline to put in focus, so its apparent size relatively increased. Species Cerastoderma edule Photographer / copyright holder I.F. Smith
Left valve of extremely large live-taken C. edule specimen; 75.0mm long, intervalve-width 49.6mm, shell mass 68g. Ribs broad with wave-shape scale-spines. Narrow groove between ribs. Early growth lines eroded, later ones crowded, >10 yrs? Orkney. Species Cerastoderma edule Photographer / copyright holder I.F. Smith
Cerastoderma edule. Right valve of very large live-taken specimen; 68.3mm long, intervalve-width 49.4mm, shell mass 67g. Brown periostracum retained between close scale-spines and ribs on recent stages. Earlier sculpture eroded. Orkney Species Cerastoderma edule Photographer / copyright holder I.F. Smith
Cerastoderma edule. Anterior and posterior of very large live-taken specimen; 68.3mm long, intervalve-width 49.4mm, shell mass 67g. Brown periostracum retained between close scale-spines and ribs on recent stages. Earlier sculpture eroded. Orkney Species Cerastoderma edule Photographer / copyright holder I.F. Smith
Cerastoderma edule. Shell length 23.9mm. Anterior and posterior ends. External ligament on posterior. 6 or 7 annual growth lines visible on anterior, others may be crowded and indistinct. Dee Estuary, Chesh. Oct. 2011. Species Cerastoderma edule Photographer / copyright holder I.F. Smith
