April, 2004 - British Shell Collectors' Club

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Page 2PALLIDULACOVER PAGEA wonderful pair of Buccinum undatum Linne 1758 from the collection of Derek Howlett, showing a typicaldextral specimen as well as a very rare sinistral specimen, both trawled off Wells, Norfolk by commercialfishermen.
PALLIDULA Page 3SYMBIOSISBY JOHN FISHERI am sure that all of us who have engaged in beachcombing on our Western coastline have found thedead shells of Turritella communis Risso.1826. But how often do we come across any livespecimens? It is said to be a mud dweller and are usually found partially buried.During my recent collecting trip to County Galway in Ireland I visited Carraroe. This is a coral strandwhere many interesting species are washed ashore. However I was very surprised to find a largenumber of live Turritella but what was even more surprising was that every one of them had longstrands of a “ ribbon” seaweed attached to them as illustrated in the photograph. What is more theseaweed was always attached to the outer apertural lip. This must be some kind of symbiotic lifestylewhich I have never come across before. Has anybody any ideas?The beach at Carraroe
Page 1: ISSN 0140-2471•VOL.34•NO.1•AP
Page 5 and 6: PALLIDULA Page 5Pusillina sarsi. Lo
Page 7 and 8: PALLIDULA Page 7SHELLING IN NEW CAL
Page 9 and 10: PALLIDULA Page 9Phos senticosus L.1
Page 11 and 12: PALLIDULA Page 11A live Mauritia ar

April, 2004 - British Shell Collectors' Club

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