Sociedad malacológica del Uruguay | Sociedad brasilera de malacologia
Sociedad malacológica de Chile | Sociedad Mexicana de malacología
Sociedad Española de malacología | Malacological society Australasia
American Malacological Society, Inc. (links to many other sites)
Malacological Society of London
UNITAS | Conchologists of America | European Quaternary Malacologists (EQMal)
The Dutch Malacological Society | The Italian Malacological Society (S.I.M.)
The Association of Polish Malacologists | Belgian Malacological Society
The Society for the History of Natural History | Linnean Society
Mollia: information for malacologists | Molluscan Evolution listserver
Biosis Internet Resource Guide for Mollusca | Opisthobranch Newsletter
Australian Museum | Cephalopod International Advisory Council
Cephalopod Page | Cephalopod Page Listserver