A phylum of soft-bodied invertebrates, most with a hard calcium-carbonate shell, a muscular foot, and a mantle enclosing the internal organs. Mollusca ranges from snails and slugs to clams and oysters to the highly intelligent, shell-less cephalopods such as octopuses and squid.
Facts
Disputed
Member Species/Taxa CountApproximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized. Taxonomic Rank Scientific Name Connections
Child Taxon Of
Parent Taxon Of
Sources
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