The following is a list of other websites that provide further information on molluscs:
Amateur Entomologists' Society
British Marine Life Society
British Shell Collectors' Club. Name
Buglife – The Invertebrate Conservation Trust
CLEMAM – Check List of European Marine Mollusca
EQMal – European Quaternary Malacologists.
International Commission on Zoological Nomenclature
National Biodiversity Network
National Federation for Biological Recording
Sea Slug Forum – Provides links to many other sites about Nudibranchs
Scottish Nudibranchs with excellent images.
Orkney Field Club – For all those wishing to learn more about environmental organisations.
Porcupine Marine Natural History Society
Sociedad Española de Malacología
The 'World Directory of Conchologists and Malacologists' (also: SHELLERS directory) which is maintained at the Spirula website of the Dutch Malacological Society.