| 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. |
Classical
