Definitions for "MOLLUSKS"
invertebrates in the Mollusca phylum; these animals have a soft, unsegmented body and are bilaterally symmetrical. Most have a muscular foot, calcareous shell, and gills. This phyla includes terrestrial as well as fresh and salt water forms. Common examples are clams, snails, slugs, and octopuses.
Sea animals usually with no shell, that have no backbone
Animals with a soft body and often a hard shell. Most live in water, but a few are found on land. Examples: clams, snails, squid, octopi
Keywords:  shellfish, see
See Shellfish.