Marine Snails and Pteropods
- Photographic study by Jean-Marie Cavanihac of these marine organisms, with photographs of a typical rasping radula and some animated sequences.
- http://www.microscopy-uk.org.uk/mag/artdec03/jmcsnails.html

Rockers and Wallers
- A look at the attractive smaller landshells that live on walls and in rocky habitats, with photographs of many species found in Austria.
- http://www.microscopy-uk.org.uk/mag/artaug99/hnshell2.html

Gastropod Larva
- Photomicrograph of a developing larva with a transparent shell.
- http://www.microscopy-uk.org.uk/micropolitan/marine/larva/frame6.html

Mollusks of the Southwest
- Research on the mollusks of southwestern United States by Harold (Dave) Dyer.
- http://dana.ucc.nau.edu/~hdd/

Eurasia Shells
- Large collection of gastropod specimen images (over 900 species) from the Philippines, rarely represented in the literature.
- http://www.eurasiashells.net/

ABMAP: The Abalone Mapping Project
- Documents and illustrates the current geographic distribution of abalone (Gastropoda: Vetigastropoda: Haliotidae: Haliotis) world-wide.
- http://www.vetigastropoda.com/ABMAP/text/

Freshwater Snails Of Florida
- Contains an online version of The Freshwater Snails of Florida, a manual for identification, prepared by Fred G. Thompson.
- http://www.flmnh.ufl.edu/natsci/malacology/fl-snail/snails1.htm

Gastropoda of Montana
- Overview of biology and taxonomy; species list for Montana.
- http://www.esg.montana.edu/dlg/aim/mollusca/gastropd.html

Class Gastropoda
- Overview of gastropod classification from the Animal Diversity Web.
- http://animaldiversity.ummz.umich.edu/mollusca/gastropoda.html

NMITA Gastropod taxonomic list
- The list provides a current systematic framework and summary of the taxonomic diversity of Panama Paleontology Project (PPP) mollusc collections collected, curated and identified from project inception till October 2000.
- http://porites.geology.uiowa.edu/database/mollusc/systemat/gastrtax.htm

Living Fossils of the Deep
- Expedition to the deep sea of the Bahamas to explore the world of slitsnails. From the Smithsonian Institutes National Museum of Natural History.
- http://www.mnh.si.edu/livingfossils/

Gastropods
- Information on gastropods from an aquarist's viewpoint. Includes pages on specific orders of gastropods, as well as a general gastropod FAQ.
- http://www.wetwebmedia.com/gastropo.htm