Phylum Mollusca - General mollusk morphological and systematic information, with examples of the major classes.

Check List of European Marine Mollusca - This site provides a searchable database that allows the user to search for taxonomic references by taxon, geographical locality, author or keyword.

Alabama Mollusks - Overview of endangered, common, and exotic freshwater and marine bivalves and gastropods.

Aquatic Mollusks of North Dakota - Distribution information and photos for 44 species of mussels, pill clams, and snails.

Endangered Mollusk Images - Pictures of North American clams and mussels from Environmental Education on the Internet (EE-Link).

Mollusks - Introduction to the major molluscan classes.

Metazoan Diversity - Information about mollusk systematics, diversity, and evolution and extinction patterns.

Nearctica Mollusks - General information about classes of mollusks with extensive links.

Micro Shells - Searchable database of marine shells and fresh-water shells and land snails, over 1,300 species in the world are listed. Many photos to aid identification. Taxonomic scheme shown.

Freshwater Molluscan Shells - Extensive systematic information about freshwater gastropods and bivalves.

Malacology in Latvia - Information on all aspects of the study of mollusks in Latvia.

Florida Mollusk Checklists - Species checklists organized by region.

Aquatic Mollusca of Illinois - Online field guide to freshwater bivalves and gastropods.

Phylum Mollusca - Information about mollusks from the Animal Diversity Web.

Molluscan Pictures - Molluscan images from Singapore West Malaysia and South East Asia.

The Veliger - Internationally circulated scientific journal dealing with animals that go through a veliger larvae stage of development. Many articles about things besides nudibranchs and seaslugs, but most important nudibranch and sea slug articles are published here.

Live Seashells Gallery - Images of living mollusks.

Tree of Life - Information about mollusk systematics with references and links.

Catalogue of Mediterranean Seashells - Listing of major taxa in the region in all molluscan classes with line drawings of some species.

Keys to the Mollusks of the Hawaiian Islands - Identification guide to Hawaiian bivalves and gastropods.

Phylum Mollusca - Brief description of each class of Mollusks.