Conquiliologistas do Brasil
- Illustrated list of Brazilian mollusks with data on distribution and ecology.
- http://www.conchasbrasil.org.br/

Bailey-Matthews Shell Museum
- Information about the museum as well as illustrated and annotated lists of southwestern Florida shells.
- http://www.shellmuseum.org/

American Malacological Society
- Dedicated to the study and preservation of mollusks. Offers data about the order, publications and links.
- http://erato.acnatsci.org/ams/

Dutch Malacological Society
- Information about the society, its activities, publications and a sheller list. Also viewable in Dutch.
- http://www.spirula.nl/indexen.htm

Conchological Society of Great Britain and Ireland
- Information about the society, its activities and publications.
- http://www.conchsoc.org/

Conchologists of America
- Information about mollusks and the society as well as related publications, clubs and upcoming events.
- http://www.conchologistsofamerica.org/

Jacksonville Shell Club
- Resource that includes information on American mollusks (marine, land and freshwater) as well as various families.
- http://www.jaxshells.org/

Malacological Society of Australasia
- Promotes the study, conservation and appreciation of molluscs. Data about the society is included.
- http://www.amonline.net.au/invertebrates/mal/malsoc/