Freshwater Shells
- Images of a number of species of gastropod found by Helmut Nisters in Austrian lakes and streams.
- http://www.microscopy-uk.org.uk/mag/artsep99/hnshell3.html

Microscopic Structure of a Slug's Foot and Slime Secretion
- Article by M. Halit Umar with many photomicrographs.
- http://www.microscopy-uk.org.uk/mag/artnov01/slug.html

The Development of Physella, a Freshwater Snail
- Photographic study by Walter Dioni on the reproduction of this species.
- http://www.microscopy-uk.org.uk/mag/artaug07/wd-physella1.html

Internet-Newsletter on Clausiliid Landsnails
- Information on systematics and biology of clausiliid landsnails with instructions for collecting and preparing.
- http://www.clausilia.de/

Land Snails of British Columbia
- A checklist and bibliography of terrestrial pulmonata of British Columbia, Canada. Includes information on exotic snails and slugs.
- http://www3.telus.net/rforsyth/

Freshwater Snails of Florida
- Identification manual and field guide.
- http://www.flmnh.ufl.edu/natsci/MALACOLOGY/fl-snail/SNAILS1.htm

The Apple Snail
- Extensive information about the apple snail family (Ampullariidae).
- http://www.applesnail.net

Freshwater Gastropods of North America Project
- Home page for a group of professionals interested in monographing the entire North American fauna of freshwater snails, as an activity of the Committee on the Status and Distribution of Gastropods, Freshwater Mollusk Conservation Society.
- http://www.cofc.edu/~dillonr/fwgnahome.htm

The House of Slime
- Information about the morphology and ecology of slugs.
- http://www.redscarf.com/slime/