Alabama Mollusks: Overview of endangered, common, and exotic freshwater and marine bivalves and gastropods.
Aquatic Mollusca of Illinois: Online field guide to freshwater bivalves and gastropods.
Catalogue of Mediterranean Seashells: Listing of major taxa in the region in all molluscan classes with line drawings of some species.
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.
Endangered Mollusk Images: Pictures of North American clams and mussels from Environmental Education on the Internet (EE-Link).
Florida Mollusk Checklists: Species checklists organized by region.
Freshwater Molluscan Shells: Extensive systematic information about freshwater gastropods and bivalves.
Keys to the Mollusks of the Hawaiian Islands: Identification guide to Hawaiian bivalves and gastropods.
Malacology in Latvia: Information on all aspects of the study of mollusks in Latvia.
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.
Mollusca: Information from the Tree of Life Project about mollusk systematics with references and links.
Molluscan Pictures: Images from Singapore, West Malaysia, and southeast Asia. Includes facts on the varied habitats of these creatures.
Molluscs of Malta: Includes checklists of the shells inhabiting the islands of Malta and Gozo in the central Mediterranean.
Mollusks: Introduction to the major molluscan classes.
Mollusks of San Salvador, Bahamas: Photos of representatives of the major families of bivalves and gastropods.
Nearctica Mollusks: General information about classes of mollusks with extensive links.
Phylum Mollusca: Information about mollusks from the Animal Diversity Web.
Phylum Mollusca: Brief description of each class of Mollusks.
Seashells of New South Wales: A guide to the sea shells of New South Wales, Australia, with high quality images and detailed information.
Shells of Papua: Illustrations and information from Alan Hinton's 1974 Shells of Papua New Guinea.