International association of individuals and organizations interested in the study and conservation of molluscs. Site presents news, announcements, and information on council and committees.

Organization providing resources for the understanding, recording, identification, and conservation of molluscs. Seeks to promote public benefit in mollusc study in its widest aspects.

Alliance of shell enthusiasts from different walks of life, with varying levels of interest. Presents news, publications, and details on conventions, grants, events, and membership.

Society overview with publications, meeting and conference details, and information on membership and research support.